Underwater is a 2020 American science fiction action horror film directed by William Eubank. The film stars Kristen Stewart, Vincent Cassel, Jessica Henwick...

An underwater environment is an environment of, and immersed in, liquid water in a natural or artificial feature (called a body of water), such as an ocean...

Look up underwater in Wiktionary, the free dictionary. Underwater refers to the realm below the surface of a body of water. Underwater may also refer to:...

Underwater! is a 1955 adventure film starring Jane Russell, Richard Egan, and Gilbert Roland, and directed by John Sturges. Johnny and his wife Theresa...

Breathing underwater or underwater breathing may refer to: Aquatic respiration Underwater breathing apparatus Liquid breathing Breathing Under Water (film)...

An underwater glider is a type of autonomous underwater vehicle (AUV) that employs variable-buoyancy propulsion instead of traditional propellers or thrusters...

Underwater photography is the practice of capturing images beneath the surface of the water, often done while scuba diving, but can also be done while...

Underwater Moonlight is the second studio album by English rock band the Soft Boys, released in June 1980 by record label Armageddon. The album received...

An underwater firearm is a firearm designed for use underwater. Underwater firearms or needleguns usually fire flechettes or spear-like bolts instead...

Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that...

An underwater explosion (also known as an UNDEX) is a chemical or nuclear explosion that occurs under the surface of a body of water. While useful in anti-ship...

The Underwater Demolition Team (UDT), or frogmen, were amphibious units created by the United States Navy during World War II with specialized missions...

Underwater hockey (UWH), also known as Octopush in the United Kingdom, is a limited-contact sport in which two teams compete to manoeuvre a puck across...

An underwater panther (Ojibwe: Mishipeshu (syllabic: ᒥᔑᐯᔓ) or Mishibizhiw (ᒥᔑᐱᒋᐤ) [mɪʃʃɪbɪʑɪw]), is one of the most important of several mythical water...

navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging)...

The Underwater Menace is the half-missing fifth serial of the fourth season of the British science fiction television series Doctor Who, which was first...

Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred...

Underwater habitats are a form of subsea technology. They are underwater structures in which people can live for extended periods and carry out most of...

"Underwater basket weaving" is an idiom referring, pejoratively, to useless or absurd college or university courses and often generally to refer to a perceived...

Unmanned underwater vehicles (UUV), also known as underwater drones, or unmanned submarines, are submersible vehicles that can operate underwater without...

An underwater bridge is a military structure that was employed during World War II and the Korean War. Underwater bridges, typically constructed of logs...

Casalegno, and Nico Hiraga. In the film, a group of friends exploring an underwater cave system fight for survival against a ravenous bull shark. The Devil's...

Underwater archaeology is archaeology practiced underwater. As with all other branches of archaeology, it evolved from its roots in pre-history and in...

Underwater logging is the process of logging trees from underwater forests. When artificial reservoirs and dams are built, large areas of forest are often...

for the underwater search and joined the underwater search on 15 January 2015. The Fugro Equator was the last vessel involved in the underwater search...

component within Underwater Demolition Units ONE and TWO...", the new SEAL Teams would be formed entirely of personnel transferred from Underwater Demolition...

A submersible is an underwater vehicle which needs to be transported and supported by a larger watercraft or platform. This distinguishes submersibles...

Underwater swimming can refer to: Unequipped swimming beneath the water surface, such as the streamline style Scuba diving, snorkeling, or free-diving...

Underwater warfare, also known as undersea warfare or subsurface warfare, is naval warfare involving underwater vehicle or combat operations conducted...

Underwater art refers to artworks that are designed for or performed in an underwater environment. Underwater art often contributes to or is inspired...

An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating...

Underwater World may refer to: Underwater World, Singapore, oceanarium in Singapore UnderWater World, Queensland, marine mammal park, oceanarium and wildlife...

Underwater Love may refer to: a 1997 hit by English band Smoke city, see Underwater Love (Smoke City song) a 2011 Japanese-German movie about a woman...

An autonomous underwater vehicle (AUV) is a robot that travels underwater without requiring continuous input from an operator. AUVs constitute part of...

An underwater thruster is a configuration of marine propellers and hydraulic or electric motor built into or mounted to an underwater robot as a propulsion...

Underwater Audio is an electronics company that invents, manufactures, and distributes waterproof gadgets such as headphones, earphones, iPod Shuffles...

Underwater Museum may refer to: Baiheliang Underwater Museum in China Cancún Underwater Museum in Mexico Alonissos Underwater Museum in Greece Underwater...

Underwater Warrior is a 1958 American CinemaScope war drama film telling the story of the US Navy's Underwater Demolition Teams between World War II and...

The Underwater Stage is an underwater film and television studio stage at Pinewood Studios in Iver, Buckinghamshire, United Kingdom. It is the only one...

Underwater rugby is an underwater team sport in which two teams compete to deliver a negatively buoyant ball into the opponents' goal at the bottom of...

either partially or primarily underwater. They prominently feature maritime and underwater environments, or other underwater aspects from the nautical fiction...

2006, Irwin died from an injury caused by a stingray while filming an underwater documentary in the Great Barrier Reef. His death became international...

An underwater locator beacon (ULB), underwater locating device (ULD), or underwater acoustic beacon is a device that emits an acoustic pulse intended to...

Underwater Sunlight is the twenty-ninth major release and sixteenth studio album by electronic artists Tangerine Dream. This album marked the first appearance...

Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible...

PMID 21510272. Pendergast, D.R.; Lundgren, C.E.G. (January 2009). "The underwater environment: cardiopulmonary, thermal, and energetic demands". Journal...

The Underwater Orienteering World Championships is the peak international event for the underwater sport of underwater orienteering. The event is conducted...

Cave diving is underwater diving in water-filled caves. It may be done as an extreme sport, a way of exploring flooded caves for scientific investigation...

Underwater Dreams is a documentary film written, directed, and produced by Mary Mazzio. The film chronicles the story of how the sons of undocumented Mexican...

The APS underwater assault rifle (Russian: Автомат Подводный Специальный, romanized: Avtomat Podvodny Spetsialnyy, lit. 'Special Underwater Assault Rifle')...

remotely operated underwater vehicle (ROUV) or remotely operated vehicle (ROV) is a free-swimming submersible craft. ROVs are underwater machines that are...

The Underwater Defence (Turkish: Su Altı Savunma), or SAS, is the one and only EOD (Explosive Ordnance Disposal) unit of the Turkish Navy, based in the...

Underwater wrestling may refer to: Aquathlon (underwater wrestling) Suijutsu This disambiguation page lists articles associated with the title Underwater...

Special Forces Underwater Operations (SFUWO) is the term for United States Army Special Forces combat operations involving the use of underwater infiltration...

15, 1931 – February 24, 2020) was an American adventure novelist and underwater explorer. His thriller novels, many featuring the character Dirk Pitt...

Underwater Cinematographer is the 2005 debut album by The Most Serene Republic. All songs written by The Most Serene Republic. Lyrics by Adrian Jewett...

Underwater Hypoxic Blackout Prevention (UHBP), formerly known as Shallow Water Blackout Prevention (SWBP), is an American nonprofit organization headquartered...

Undressing Underwater is the debut solo album by Rusty Anderson, originally released on Anderson's own Oxide Records in late 2003, and re-released on September...

An underwater acoustic positioning system is a system for the tracking and navigation of underwater vehicles or divers by means of acoustic distance and/or...

Assignment: Underwater is an American adventure television series which aired in NTA Film Network syndication from 1960 to 1961. The series stars prolific...

Siemens, then an officer in the army of Prussia, laid the first successful underwater cable using gutta-percha insulation across the Rhine between Deutz and...

The Underwater City is a 1962 American science fiction film in Eastmancolor, about overcoming engineering obstacles for establishing an underwater living...

The Great Underwater Wall is a People's Republic of China military program to monitor submarine, surface, and aerial vehicle activity in the seas adjacent...

most commonly occurs during or soon after a decompression ascent from underwater diving, but can also result from other causes of depressurization, such...

The Underwater Welder is a graphic novel ghost story by Jeff Lemire, published in 2012 by Top Shelf Productions. The main character, Jack Joseph, is an...

Abyssal fans, also known as deep-sea fans, underwater deltas, and submarine fans, are underwater geological structures associated with large-scale sediment...

The M1 Underwater Defense Gun, also called the Underwater Defense Gun Mark 1 Mod 0, is an underwater firearm developed by the United States during the...

The name "Underwater Centre" may mean:- The British Underwater Centre near Dartmouth, Devon (now closed down) Bovisand Underwater Centre Ltd: was at Fort...

Dance Underwater is a 2017 studio album by the Welsh gothic rock band Jay Aston's Gene Loves Jezebel. It was released on 30 June 2017 on CD and digital...

The European Conference on Underwater Acoustics (ECUA) was a conference on underwater acoustics that took place[when?] in Europe every two years, until...

An underwater pinnacle is a steep, pillar-like geological or coral structure that rises abruptly from the seafloor but does not break the ocean surface...

Underwater was an alternative comic book by award-winning Canadian cartoonist Chester Brown that was published from 1994 until 1997, when the ambitious...

Atlantis Underwater Tycoon is an underwater city-building simulation game in which the player acts as a tycoon to simulate the real-time design and management...

Underwater People is the second album by the Samples. It contained live material, demos, unreleased songs, and alternate versions. It was released on November...

Underwater camouflage is the set of methods of achieving crypsis—avoidance of observation—that allows otherwise visible aquatic organisms to remain unnoticed...

Underwater acoustic communication is a technique of sending and receiving messages in water. There are several ways of employing such communication but...

The Underwater Demolition Badge is an obsolete badge of the United States Navy which was first created during the Second World War. The Underwater Demolition...

underwater football, underwater hockey, underwater ice hockey, underwater orienteering, underwater photography, underwater rugby, underwater target shooting...

The Underwater Offence (Turkish: Su Altı Taaruz), abbreviated SAT, is the special operations force of the Turkish Naval Forces. They are affiliated with...

Underwater orienteering, also known as scuba orienteering is an underwater sport that uses recreational open circuit scuba diving equipment and consists...

God Lives Underwater was an American rock band, formed in 1993 in Perkiomenville, Pennsylvania, by vocalist/programmer David Reilly and guitarist/programmer...

of the underwater sport of finswimming. Snorkeling is also used by scuba divers when at the surface, in underwater sports such as underwater hockey and...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

their rating's 24-week "A" School[clarification needed] known as Basic Underwater Demolition/SEAL (BUD/S) school, a basic parachutist course and then the...

The AAI underwater revolver is an amphibious firearm intended for naval use. The weapon was designed by Irwin R. Barr and John L. Critcher and uses a six-round...

Underwater demolition is the deliberate destruction or neutralization of man-made or natural underwater obstacles, both for military and civilian purposes...

Underwater videography is the branch of electronic underwater photography concerned with capturing underwater moving images as a recreational diving,...

The Dubai Aquarium and Underwater Zoo is a public aquarium located in the Dubai Mall. It is the biggest aquarium in Dubai and one of the largest in the...

The Museum of Underwater Art (MOUA) is a series of underwater art installations near Townsville, Australia. It is the only underwater art museum in the...

"Crying Underwater" is a song by Australian singer Dami Im, released on 13 September 2019. The song marks the beginning of a new chapter in Im's career...

Status-6 (Russian: Статус-6), is an autonomous, nuclear-powered unmanned underwater vehicle reportedly in production by Rubin Design Bureau, capable of delivering...

by Daniel Petrie, featuring underwater cinematography by Paul Herbermann. The film's special effects utilized underwater photography of miniatures with...

Underwater Love (UNDERWATER LOVE-おんなの河童-, UNDERWATER LOVE Onna no kappa) is a 2011 pink film musical about a woman and a sea creature. It is a co-production...

Underwater Technology is a peer-reviewed scientific journal covering research on underwater technology, ocean science, and offshore engineering. It is...

Underwater cycling is stunt, usually done for charity, in which a rider wears scuba diving gear and rides a bicycle in an underwater course. The Underwater...

Underwater cutting and welding are metalworking techniques used by underwater divers in underwater construction, marine salvage and clearance diving applications...

The Underwater Demolition Team (Greek: Μονάδα Υποβρυχίων Καταστροφών), abbreviated as MYK (Greek: ΜΥΚ,Greek pronunciation: [mik]) is the Cyprus Navy's...

An underwater vehicle is a class of watercraft intended to operate in the underwater environment, including crewed submersibles and unmanned systems such...

Helicopter Underwater Egress Training (also known as Helicopter Underwater Escape Training, and Rotary-wing Underwater Egress Training in Canada; often...

often also used for underwater navigation. An autonomous underwater vehicle (AUV) is a robotic submersible that travels underwater without requiring continuous...

self-contained underwater breathing apparatus (SCUBA), called the Aqua-Lung, which assisted him in producing some of the first underwater documentaries...

Underwater work is work done underwater, generally by divers during diving operations, but includes work done underwater by remotely operated underwater...

Underwater speed record include records for submarines, autonomous underwater vehicles, and torpedoes. As these are typically for military vehicles, most...

underwater diving environment, or just diving environment is the natural or artificial surroundings in which a dive is done. It is usually underwater...

primary design parameters and measures of a submarine's ability to operate underwater. The depths to which submarines can dive are limited by the strengths...

The Underwater Bike Race is an annual underwater cycling charity fundraising event organized by Discovery Diving in North Carolina. The Underwater Bike...

The Underwater Association (UA) was a research association focused on the conduct of research underwater by diving scientists and archaeologists. It was...

techniques, spearfishing, underwater photography, synchronised swimming, underwater football, underwater rugby, underwater hockey, underwater target shooting and...

The Admiralty Underwater Weapons Establishment was an Admiralty research department dedicated to underwater detection systems and weapons. It was formed...

Underwater football is a two-team underwater sport that shares common elements with underwater hockey and underwater rugby. As with both of those games...

outline is provided as an overview of and topical guide to underwater diving: Underwater diving – as a human activity, is the practice of descending...

Baiheliang Underwater Museum or White Crane Ridge Underwater Museum (simplified Chinese: 白鹤梁水下博物馆; traditional Chinese: 白鶴梁水下博物館) is an underwater museum...

options for extracting the group, including whether to teach them basic underwater diving skills to enable the earliest possible rescue, to wait until a...

evaluation, engineering and fleet support center for submarines, autonomous underwater systems, and offensive and defensive weapons systems associated with undersea...

Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more...

welding is the process of extreme welding at elevated pressures, normally underwater. Hyperbaric welding can either take place wet in the water itself or dry...

The Viking-Bergen Banks are underwater hills in the North Sea, east of Shetland and west of Norway. When sea levels were lower during the Last Glacial...

to pursue his interest in scuba diving. That year, he discovered the underwater ruins of the ancient original Koneswaram Temple in Trincomalee. Clarke...

Underwater Sciences (AAUS) is a group of scientific organizations and individual members who conduct scientific and educational activities underwater...

Thales Underwater Systems or TUS (formerly Thomson Sintra ASM, Thomson CSF DASM and then Thomson Marconi Sonar) is a subsidiary of the French defense electronics...

The Ephorate of Underwater Antiquities (Greek: Εφορεία Εναλίων Αρχαιοτήτων, romanized: Eforeía Enalíon Archaiotíton) is a department within the Greek Ministry...

An aquascope (also called bathyscope) is an underwater viewing device. It is used to view the underwater world often from dry land or a boat. It eliminates...

The Heckler & Koch P11 is an underwater firearm developed in 1976 by Heckler & Koch. It is loaded using a pepper-box-like assembly, containing five sealed...

underwater mine using an electrical circuit. In 1842 Samuel Colt used an electric detonator to destroy a moving vessel to demonstrate an underwater mine...

underwater propulsion vehicle, sea scooter, underwater scooter, scuba sled or swimmer delivery vehicle (SDV) by armed forces, is a compact underwater...

caused the ship to list and then to partially sink, landing unevenly on an underwater ledge. Although a six-hour rescue effort brought most of the passengers...

The SPP-1 underwater pistol was made in the Soviet Union for use by Soviet frogmen as an underwater firearm. It was developed in the late 1960s and accepted...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

The Society for Underwater Technology (SUT) is an international learned society for marine science and technology with headquarters in London, England...

International Dialogues on Underwater Munitions (IDUM) is a non-governmental organization (NGO) that was founded in Canada in 2004 and established as a...

Underwater divers may be employed in any branch of an armed force, including the navy, army, marines, air force and coast guard. The scope of operations...

The San Diego-La Jolla Underwater Park is the historical name for a marine reserve that includes the San Diego-Scripps Coastal Marine Conservation Area...

cameras. Infrared underwater cameras come with a cyan light strobe instead of the typical IR light for minimum fall-off underwater and high-speed cameras...

Edmonds Underwater Park (EUP) is a local classic scuba diving site in the northern Seattle, Washington suburb of Edmonds immediately north of the Edmonds...

Human physiology of underwater diving is the physiological influences of the underwater environment on the human ambient pressure diver, and adaptations...

Underwater target shooting is an underwater sport/shooting sport that tests a competitors’ ability to accurately use a speargun via a set of individual...

"Breathing Underwater" is a song by Scottish singer Emeli Sandé, recorded for her second studio album Long Live the Angels (2016). It was written by Sandé...

performs his underwater sport activities for Orta Doğu Teknik Üniversitesi Su Altı Sporları Kulübü (Middle East Technical University Underwater Sports Club)...

the study of underwater depth of ocean floors (seabed topography), river floors, or lake floors. In other words, bathymetry is the underwater equivalent...

circumstances associated with the loss. These include increased battery life on underwater locator beacons, lengthening of recording times on flight data recorders...

The Admiralty Underwater Weapons Launching Establishment was an Admiralty research department dedicated to torpedo and mine launching gear. It was formed...

the scientific literature regarding underwater births. The Committee noted several positive studies for underwater birth but went on to criticize them...

They may be carried out underwater by divers, manned submersibles, remotely operated underwater vehicles, or autonomous underwater vehicles, or from the...

made discoveries or inventions relating to the science and technology of underwater diving. Divers who have become notable due to their exploits are not listed...

The Florida Underwater Archaeological Preserves are a system of underwater parks in the state of Florida, US. They consist of shipwrecks of historic interest...

finish his homework. They use an adaptation light to survive underwater, and an underwater buggy named Buggy, to commute. Buggy has feelings and likes...

Underwater Rugby is a team watersport played in swimming pools on breathhold. Underwater rugby has been played in the United States since 1979. Nick Caloyianis...

The National Underwater and Marine Agency (NUMA) is a private, non-profit organization in the United States founded in 1979. Originally it was a fictional...

an underwater canyon that forms the underwater valley located off the coast of Blanes, in the province of Girona, Catalonia, Spain. This underwater canyon...

Breathing Underwater is the third studio album and second international studio album by American singer Marié Digby. It was released in Japan on June 24...

"Underwater World" is single released in 1984 by the Finnish rock and glam punk band Hanoi Rocks. "Underwater World" is from the band's US-breakthrough...

The Australasian Underwater Cultural Heritage Database (AUCHD) is an online, searchable database containing data on shipwrecks, aircraft that have been...

jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in...

The Underwater Hockey World Championship is the peak international event for the underwater sport of Underwater Hockey. The event is conducted on behalf...

Underwater World, also known as Underwater World Singapore Pte Ltd, was an oceanarium located on the offshore Singaporean island of Sentosa. It was opened...

Archaeology Review. Ryall, Julian (September 19, 2007). "Japan's Ancient Underwater "Pyramid" Mystifies Scholars". National Geographic News. Archived from...

Underwater exploration is the exploration of any underwater environment, either by direct observation by the explorer, or by remote observation and measurement...

Jago: A Life Underwater is a documentary filmed in 2015, directed by James Reed. It chronicles the life history of Rohani, also known as a "man of the...

submerged ruins of ancient Alexandria, including those of the Pharos, into an underwater museum. In 2025, parts of the lighthouse's entrance, threshold stones...

Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more...

Underwater construction is industrial construction in an underwater environment. It is a part of the marine construction industry. It can involve the...

operations force of the Royal Thai Navy. The unit was set up in the name of Underwater Demolition Assault Unit in 1956 with the assistance of the U.S. government...

An underwater survey is a survey performed in an underwater environment or conducted remotely on an underwater object or region. Surveys can have several...

"Underwater" is a song by singer-songwriter Mika, released as the album's third single in France, and the second single in Europe from his third studio...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

Breathing Underwater (Luxembourgish: Hors d'haleine) is a 2024 Luxembourgish drama film co-written and directed by Eric Lamhène. The film is an emotional...

Underwater volcano may refer to: Subaqueous volcano, a volcano that forms under water Submarine volcano, a volcano that forms under an ocean Subglacial...

bodies of water can be found at Glossary of fishery terms, Glossary of underwater diving terminology, Glossary of rowing terms, and Glossary of meteorology...

The Underwater Rugby World Championships is the peak international event for the underwater sport of underwater rugby. The event is conducted on behalf...

are a mythical water people of the Amazon basin who live in beautiful underwater cities, often at the mouths of rivers. Belief in the Yacuruna is most...

jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in...

albums, Just Breathe in May 2005, White Lies in February 2007, and America Underwater in November 2009. They have toured with bands such as Chiodos, Eighteen...

The Michigan Underwater Preserve Council (MUPC) is a private, non-profit, volunteer driven organization that oversees activities relating to the Michigan...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

"Underwater Love" is a song by the English band Smoke City. First released in 1995 on Rita Records, the song did not receive recognition until its appearance...

an underwater canyon that forms the underwater valley located off the coast of Palamós, in the province of Girona, Catalonia, Spain. This underwater canyon...

Underwater ice hockey (also called sub-aqua ice hockey) is a minor extreme sport that is a variant of ice hockey. It is played upside-down underneath frozen...

Captain Nemo and the Underwater City is a 1969 British film directed by James Hill and starring Robert Ryan, Chuck Connors and Nanette Newman. It features...

Laurentian Abyss is an underwater depression off the eastern coast of Canada in the Atlantic Ocean. Not a trench, but more of an "underwater valley", it is estimated...

 'water + sound') is a microphone designed for underwater use, for recording or listening to underwater sound. Most hydrophones contain a piezoelectric...

The Marquette Underwater Preserve was established in 1990 to promote conservation of the submerged historical resources in Lake Superior near Marquette...

The Peristera shipwreck (Greek: Ναυάγιο Περιστέρας) is an underwater shipwreck of a 5th-century BC merchant vessel at a depth of 20 metres (66 ft), just...

Pasukan Katak, lit. 'Frogman Forces Command') is the premier frogman and underwater demolition unit of the Indonesian Navy. The unit's motto is Tan Hana Wighna...

Pacific Underwater Medicine Society Journal. 26 (2). ISSN 0813-1988. OCLC 16986801. South Pacific Underwater Medicine Society. "South Pacific Underwater Medicine...

called Snell's circle or optical man-hole) is a phenomenon by which an underwater viewer sees everything above the surface through a cone of light of width...

Diving (sport), the sport of jumping into deep water Underwater diving, human activity underwater for recreational or occupational purposes Diving or Dive...

Inazumi Underwater Cave (稲積水中鍾乳洞, Inadzumi-Suichūshōnyūdō) is an underwater limestone cave located in Bungo-Ōno, Ōita Prefecture, Japan. It is the longest...

(piano, violin, viola, cello) (2019) 12 Songs from Home (piano) (2020) Underwater (piano) (2022) The Summer Portraits (piano, string orchestra) (2025) Solo...

"Underwater" is a single by Canadian electronic music group Delerium, featuring Australian singer Rani Kamal (daughter of Kamahl) on vocals. It was the...

Pollatoomary is the deepest explored underwater cave in Ireland. It has been explored to an underwater depth of 120 metres (390 ft). The explored limit...

notable professional and amateur explorers who have personally explored the underwater environment and contributed towards expanding the knowledge and understanding...

geology, a knoll is defined as a rounded underwater hill, not exceeding 1000 meters in height. Any rounded underwater features exceeding that height are referred...

fishing vessels, marine research vessels, underwater exploration vessels, research vessels, and underwater habitats. It is also known as a wet porch....

27 Miles Underwater is the second studio album by British hardcore punk band Higher Power. The album was released on 24 January 2020 through Roadrunner...

to depth and back in open water, usually for the purpose of performing underwater work. The most common types are the open-bottomed wet bell and the closed...

A diving emergency or underwater diving emergency is an emergency that involves an underwater diver. The nature of an emergency requires action to be...

physics of underwater diving, is the basic aspects of physics which describe the effects of the underwater environment on the underwater diver and their...

Christine Erbe is a German-Australian physicist specializing in underwater acoustics. She is a professor in the School of Earth and Planetary Sciences...

Estonian Underwater Federation (abbreviation EUF; Estonian: Eesti Allveeliit) is one of the sport governing bodies in Estonia which deals with underwater sports...

The Australian Underwater Federation (AUF) is the governing body for underwater sports in Australia. The mission of the AUF is: Bringing Sport, Conservation...

using sharpened sticks. Modern spearfishing usually involves the use of underwater swimming gear and slingshot-like elastic or compressed gas-powered pneumatic...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

Underwater Port Security System (UPSS) was developed for the United States Coast Guard and the Maritime Safety and Security Teams (MSSTs) for defense against...

Underwater computer vision is a subfield of computer vision. In recent years, with the development of underwater vehicles ( ROV, AUV, gliders), the need...

The Underwater Demolition Command (Greek: Διοίκηση Υποβρυχίων Καταστροφών), abbreviated as DYK (Greek: ΔΥΚ,Greek pronunciation: [ðik]) and known until...

SPURV, or Self-Propelled Underwater Research Vehicle, was an Autonomous Underwater Vehicle built in 1957 at the University of Washington's Applied Physics...

The Southwest Michigan Underwater Preserve is a preservation area in Michigan in the United States. Located in Lake Michigan, it protects a five-mile-wide...

The Department of the Director of Underwater Weapons Materials originally known as the Torpedo Department was a former department of the British Department...

12.0834302; -61.7655757 The Molinere Bay Underwater Sculpture Park is a collection of ecological underwater contemporary art located in the Caribbean...

Michigan Underwater Preserves or Michigan Bottomland Preserves are protected areas of the Great Lakes on Michigan's coast. The thirteen designated areas...

and sunken towns. This underwater cultural heritage is protected by the UNESCO Convention on the Protection of the Underwater Cultural Heritage. The convention...

is known for playing Zack Taylor in the 2017 Power Rangers reboot, the underwater warrior Murk in Aquaman (2018), and Liu Kang in the 2021 Mortal Kombat...

Busselton from Bunbury. The line now carries tourists along the jetty to an underwater observatory, one of only six natural aquariums in the world. In 1839 Governor...

Kelly Tarlton's Sea Life Aquarium (formerly Kelly Tarlton's Underwater World) is a public aquarium opened in 1985 in Auckland, New Zealand. Located at...

The Underwater Road Tunnel Salamina island - Perama is a planned sub-sea road tunnel in the Attica region of Greece, which will provide a direct road link...

The incident cost the company millions of US dollars in lost income. Underwater diving portal Commercial offshore diving – Professional diving in support...

Nanjing Underwater World (Chinese: 南京海底世界有限公司) is an aquarium near the Sun Yat-sen Mausoleum in Nanjing. Underwater World is on the south side of Purple...

Karst Underwater Research (KUR) is a registered 501(c)(3) non-profit organization that specializes in the research and documentation of karst aquifers...

Nereus was a hybrid uncrewed autonomous underwater vehicle (HROV, a type of remotely operated underwater vehicle) built by the Woods Hole Oceanographic...

A mode of diving, or diving mode, is a particular way to dive underwater that requires specific equipment, procedures and techniques, and may expose the...

Underwater domain awareness (UDA) is the aspect of maritime domain awareness focused on the underwater sector, including, from a security perspective,...

who commanded the cruise ship Costa Concordia when the ship struck an underwater rock and capsized off the Italian island of Giglio on 13 January 2012...

development of sonar systems, technologies for underwater surveillance, study of Underwater environment and underwater materials. The Indian Naval Physical Laboratory...

ACUC, American and Canadian Underwater Certifications Inc. is an international recreational diving membership and diver training organization. Formerly...

opponents' goal. Underwater ice hockey Underwater orienteering Underwater photography (sport) Underwater rugby is a game played underwater which has some...

on the water surface or underwater. Finswimming is usually done on the breast. Flutter back finning: Symmetrically underwater arm recovery with flutter...

The Underwater Search and Rescue Group Command is affiliated with the Turkish Naval Forces. Its duties are to carry out underwater training of the Naval...

Russian prototype folding-stock underwater firearm. It emerged in the 1990s. The introduction of the APS Underwater Assault Rifle solved the problem...

situations where the outside environment is hostile, such as outer space or underwater, or medical situations where the health of the person is compromised to...

submarines in early 2018. Initially, the programme was known as the Maritime Underwater Future Capability (MUFC). The concept phase was scheduled to last for...

to scuba set, is any "self-contained underwater breathing apparatus", a source of breathing gas used for underwater diving which is carried by the diver...

company controlled by Fincantieri, active in the construction of advanced underwater defense systems, such as torpedoes and sonars. The origins of the company...

Hearing threshold and the ability to localize sound sources are reduced underwater in humans, but not in aquatic animals, including whales, seals, and fish...

The Underwater Escape Training Unit (UETU) is a military training centre for survival at sea in Somerset; the site is mainly for helicopter aircrew. The...

The European Underwater Federation (EUF) is an umbrella organisation representing the interests of scuba diver training organisations operating in both...

The Dutch Underwater Knowledge Centre (DUKC) is a working group and knowledge platform aimed at preserving submarine knowledge within the Dutch industry...

jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in...

Liberdade class blended wing bodies are autonomous underwater gliders developed by the US Navy Office of Naval Research which use a blended wing body hullform...

The Underwater Explorers Club was founded in the early 1950s by businessman Harold Penman. It collapsed when Harold Penman ran out of money and many members...

The Underwater Artery (Greek: Υποθαλάσσια Αρτηρία) in Thessaloniki, Greece, is a planned multilane stretch of expressway along the seafront of the city...

called a floodable airlock or underwater airlock, and is used to prevent water from entering a submersible vessel or underwater habitat. The procedure of...

A frogman is someone who is trained in scuba diving or swimming underwater. The term often applies more to professional rather than recreational divers...

units were armed with special weapons for underwater combat, including the SPP-1 pistol and APS underwater assault rifle. The main drawback of these weapons...

including microplastics, ocean acidification, nutrient pollution, toxins, and underwater noise. Plastic pollution in the ocean is a type of marine pollution by...

jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in...

Underwater Sunshine (Or What We Did on Our Summer Vacation) is the sixth studio album by American rock band Counting Crows, released on April 10, 2012...

особого назначения (ЭПРОН) "Special Expedition for Underwater Works" —Special-Purpose Underwater Rescue Party, was a government agency of the Soviet...

military operations by frogmen, as well as for undisturbed observation of underwater wildlife. A rebreather is generally understood to be a portable apparatus...

relatively small objects from underwater. Underwater videography – Use of video recording equipment designed or modified for underwater use for recording the...

Turkish Underwater Sports Federation (Turkish: Türkiye Sualtı Sporları Federasyonu, TSSF) is the governing body for both underwater sports and lifesaving...

God Lives Underwater is the debut EP and first major release by God Lives Underwater. It was recorded in 1993, and self-distributed by the band in 1994...

Tiefland in 1954, her work as a photographer, her autobiography in 1987, underwater photographs and two photo books on the Nuba peoples of southern Sudan...

The men's underwater swimming was an event on the Swimming at the 1900 Summer Olympics schedule in Paris. It was held on 12 August in the Seine. There...

The National Association of Underwater Instructors (NAUI Worldwide) is a nonprofit association of scuba instructors founded in 1960 by Albert Tillman and...

World War II mostly traveled on the surface because of their limited underwater speed and endurance, and dived mainly to evade immediate threats or for...

Underwater Hockey Wales (UHW; Welsh: Hoci Tanddwr Cymreig; HTC) is responsible for underwater hockey (also known as Octopush) in Wales. It is the association...

Underwater Nightmare is a vinyl 7"/digital EP by gothic country band O'Death. All tracks are written by O'Death except where noted. Greg Jamie – vocals...

Kelly served as the commander of the NEEMO 4 mission aboard the Aquarius underwater laboratory, 4 mi offshore from Key Largo. The NEEMO 4 crew spent five...

(within the state of Quintana Roo) often provide access to extensive underwater cave systems, such as Sistema Ox Bel Ha, Sistema Sac Actun/Sistema Nohoch...

James Pond: Underwater Agent is a 1990 platform video game developed by Vectordean and published by British company Millennium Interactive for the Amiga...

The Royal Australian Navy School of Underwater Medicine (RANSUM) is an instructor-led training course based at Sydney, Australia. Before 1961 medical support...

Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either...

The Sanilac Shores Underwater Preserve was established to promote conservation of the submerged historical resources in Lake Huron near Port Sanilac, Michigan...

The European Underwater and Baromedical Society (EUBS) is a primary source of information for diving and hyperbaric medicine physiology worldwide. The...

Alberto Gianni (26 April 1891 – 7 December 1930) was an Italian underwater diver and inventor. Gianni was born in Viareggio, Tuscany, Italy. He served...

Underwater Construction Teams (UCT) are the United States Navy Seabees' underwater construction units numbered 1 and 2 that were created in 1974. A team...

the AEC's research. The second research direction was to examine how underwater explosions affected materiel, especially Navy ships, and was performed...

only edition of the CMAS World Games, an Olympic style tournament for underwater sports organised by the Confédération Mondiale des Activités Subaquatiques...

type of ship or boat that is used for underwater surveys, usually to collect data for mapping or planning underwater construction or mineral extraction....

by an underwater diver and provides the diver with breathing gas at the ambient pressure. Scuba is an anacronym for self-contained underwater breathing...

the Gill-man, was played by Ben Chapman on land and by Ricou Browning underwater. Produced and distributed by Universal-International, Creature from the...

football Rugby league Rugby union Rugby sevens Beach rugby Underwater rugby Wheelchair rugby Underwater football Volata Footvolley Four square Gaga Goalball...

The Cancún Underwater Museum (Spanish: Museo Subacuático de Arte, known as MUSA) is a non-profit organization based in Cancún, Mexico devoted to the art...

locator is a water-borne device used to locate the sonar "ping" from the underwater locator beacon which is fitted to the Cockpit Voice Recorders and Flight...

been investigated by the Wisconsin Historical Society and the Wisconsin Underwater Archaeology Association since 1997. In June 2025, the Wisconsin Historical...

The Bimini Road, sometimes called the Bimini Wall, is an underwater rock formation near the island of North Bimini in the Bimini chain of islands. The...

Listronotus appendiculatus is a species of underwater weevil in the beetle family Curculionidae. It is found in North America. "Listronotus appendiculatus...

The Finger Lakes Underwater Preserve Association (FLUPA) is a group of regional divers, associates, and families interested in promotion of scuba diving...

Diving activities Diving activities are the things people do while diving underwater. People may dive for various reasons, both personal and professional....

low tide there is a stony beach with some small rockpools. The British Underwater Centre was one of the premises along its north side. It had anchorage...

Diver navigation, termed "underwater navigation" by scuba divers, is a set of techniques—including observing natural features, the use of a compass, and...

jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in...

(primary coordinates) GPX (secondary coordinates) The Whitefish Point Underwater Preserve was established in 1987 to protect and conserve shipwrecks and...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

The Underwater Society of America (USOA) is the peak body for underwater sport and recreational diving in the United States. The USOA is a membership-based...

You Are Underwater is the third album by the Main Drag, released in December 2009. Like the band's previous LP, You Are Underwater was also self-recorded...

and Underwater. Brown ran the first installment of the Gospel of Mark in Yummy Fur #4 in 1987, and left Matthew unfinished after cancelling Underwater in...

the early 1960s, the castle became the home for the Bodrum Museum of Underwater Archaeology. In 2016 it was inscribed in the UNESCO Tentative list of...

The Convention on the Protection of the Underwater Cultural Heritage is a treaty that was adopted on 2 November 2001 by the General Conference of the United...

shore, where breaking waves approach the shore parallel to it, or where underwater topography encourages outflow at one specific area. Baïnes are one of...

Underwater breathing apparatus is equipment which allows the user to breathe underwater. The three major categories of ambient pressure underwater breathing...

in Visakhapatnam. Its main function is the research and development of underwater weapons and associated systems. NSTL is organized under DRDO's Directorate...

teams, is an experimental American autonomous underwater vehicle – a modified Slocum Autonomous Underwater Gliding Vehicle – operated by Rutgers University...

Riders of the Storm: The Underwater Album is the debut album by rap group Boogiemonsters. It was released on August 9, 1994, through EMI America Records...

Eilat's Coral World Underwater Observatory is a public aquarium, park and conservation center located in Eilat, Israel. It is the biggest public aquarium...

A polespear (hand spear or gidgee) is an underwater tool used in spearfishing, consisting of a pole, a spear tip, and a rubber loop. Polespears are often...

example of intraplate volcanism. The Canary Islands, and some associated underwater volcanic mountains on the ocean floor, are in the Canary Volcanic Province...

recorded in August 1991, using the Pacific Marine Environmental Laboratory's underwater sound surveillance system, SOSUS, and is loud enough to be detected throughout...

University of Science and Technology in Taoyuan, Taiwan Underwater Cultural Heritage, refer to Underwater Cultural Heritage Act 2018 United Christian Hospital...

of force to create an auroral display. Underwater testing involves nuclear devices being detonated underwater, usually moored to a ship or a barge (which...

harbors, and other ocean systems such as ocean wave energy conversion and underwater life-support systems. This in fact makes ocean engineering a distinctive...

submarine is a specialized warship that can operate underwater. Submarine may also refer to: Underwater, when this means "under the sea" Submarine films...

five singles: "Sad Boiii", "Animal", "Off the Rails", "Cinnamon" and "Underwater". Benee announced her second studio album, Ur An Angel I'm Just Particles...

bodies of water can be found at Glossary of fishery terms, Glossary of underwater diving terminology, Glossary of rowing terms, and Glossary of meteorology...

jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in...

volleyball Biribol Stone skipping Waboba Underwater football Underwater rugby Underwater hockey Underwater ice hockey Swimming strokes Swimming stroke...

Championship in Ischia, organised by the Italian Federation of Sport Fishing and Underwater Activities, she won three gold medals with relative world records: in...

(Chinese: 青岛水族馆; pinyin: Qīngdǎo Shuǐzúguǎn) also known as the Qingdao Underwater World (Chinese: 青岛海底世界; pinyin: Qīngdǎo Hǎidǐ Shìjiè) is the oldest public...

thoraco-abdominal paradox. Work of breathing is affected by several factors in underwater diving at ambient pressure. There are physiological effects of immersion...

Sinks cave system. This connection established the system as the longest underwater cave in the United States and the sixth largest in the world with a total...

The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment...

1956) was a British-American artist, known for painting underwater landscapes while underwater, using a diving suit and waterproof materials. Walter Howlison...

The North West Police Underwater Search & Marine Unit are based in the North West of England, and deliver specialist underwater search, confined space...

autonomous underwater vehicles Mesobot - an autonomous underwater vehicle built to track sea life in the mesopelagic zone SeaBED – an autonomous underwater vehicle...

coast of the island of Capri, southern Italy. Sunlight shining through an underwater cavity is reflected back upward through the seawater below the cavern...

inhospitality of the underwater environment in general, as well as the inaccessibility of the abyssal zone for most human-made underwater vehicles, have hindered...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

a song by the band God Lives Underwater. It was originally released on their self-titled EP album God Lives Underwater in 1994, although it receiver...

Kwon Eun-bi. The album consists of six songs including the lead single, "Underwater". It was released digitally and physically on October 12, 2022, by Woollim...

The Underwater Photography World Championships is the peak international event for the underwater sport of underwater photography. The event is conducted...

Underwater hockey in Turkey is governed by the Turkish Underwater Sports Federation (Turkish: Türkiye Sualtı Sporları Federasyonu, TSSF). The TSSF organizes...

The British Underwater Test and Evaluation Centre (BUTEC) is an underwater military test and evaluation range in the Inner Sound between the island of...

and "Underwater Love". In 1995, British music publication Q described all three of these songs as lyrically revolving around murder. "Underwater Love"...

The Keweenaw Underwater Preserve is a preservation area in the U.S. state of Michigan. Located in Lake Superior, it protects waters that lie offshore Keweenaw...

first—along with the early Navy Combat Demolition Units (the predecessor to the Underwater Demolition Teams [i.e., the Navy SEALs])—to embark from submarines; most...

Exploration) is an autonomous underwater vehicle prototype by NASA's Jet Propulsion Laboratory. The prototype began underwater testing in 2012 and it is meant...

convoyweb.org.uk. Retrieved 26 October 2012. "Albert C. Field". CERES's Underwater Research Center (in French). 2012. Archived from the original on 28 February...

is a Ukrainian-made multi-purpose autonomous underwater vehicle (AUV) capable of performing underwater attack missions, as well as cargo transportation...

Submarine navigation underwater requires special skills and technologies not needed by surface ships. The challenges of underwater navigation have become...

American diver, author, photographer and founder of the Association of Underwater Explorers. Barnette was born in September 1971 in Fredericksburg, VA....

Underwater hockey has been played in Australia since 1966 and is played in most states and territories. As of September 2013, Australia has been very successful...

"Glu" (song), a 2023 song by Usher God Lives Underwater, an American industrial rock band God Lives Underwater (EP) Gula language (Chad) Guyana Labour Union...

during the NEEMO 12 mission aboard the Aquarius underwater laboratory, living and working underwater for eleven days. Hernández worked various technical...

The 14th CMAS Underwater Photography World Championship was held from April 9 – 14, 2013 in Cuba at Cayo Largo. David Barrio of Spain was announced as...

series "APNEIA", freediving instructor trainer, international fashion and underwater model, conservationist, and TV personality. She has nine freediving records...

"Chasing Fridays: concealer, Car Underwater, Betty Hammerschlag Q&A". Chasing Sundays. Retrieved April 21, 2026. "Car Underwater - Calling This Healing". Tidal...

discontinued product range of the construction toy Lego, themed around the underwater world of Atlantis. The range was launched in early 2010 and discontinued...

The Hydropolis Underwater Hotel and Resort is a proposed underwater hotel in Dubai. It would be the first multi-room underwater hotel in the world. The...

Thunder Bay National Marine Sanctuary and Underwater Preserve is a United States National Marine Sanctuary on Lake Huron's Thunder Bay, within the northeastern...

Dreams of Breathing Underwater is a 2008 album by folk singer and violin player Eliza Carthy. It is seen by many as a successor to her 2000 album Angels...

submarines were slower on the surface than surface ships and even slower underwater. Therefore, efforts were made to increase submarine surface speeds to...

Microsoft employee with previous experience in the US Navy suggested that an underwater server farm could cut on cooling costs and increase environmental sustainability...

Bloop was an ultra low frequency, high-amplitude underwater sound detected by the U.S. National Oceanic and Atmospheric Administration (NOAA) in 1997....

An aquanaut is any person who remains underwater, breathing at the ambient pressure for long enough for the concentration of the inert components of the...

June 13, 2014. His third feature film, the science-fiction horror film Underwater, was released in January 2020 by 20th Century Fox. Eubank was born on...

Atlantis is a British children's animated television series about a group of underwater creatures that protect the oceans. In the heart of the ocean, in the mysterious...

Antarctic ice barrier, the transatlantic telegraph cable and the legendary underwater realm of Atlantis. They even travel to the South Pole and are trapped...

The Underwater Cultural Heritage Act 2018 is an Australian Act of Parliament designed "to protect shipwrecks, sunken aircraft and their associated artefacts...

reconfigured as a special operations vessel, able to operate unmanned underwater vehicles. The vessel was relaid in December 2012. Due to chronic underfunding...

A submarine, undersea, or underwater earthquake is an earthquake that occurs underwater at the bottom of a body of water, especially an ocean. They are...

of Australia (CDAA) and the Australian coordinator for International Underwater Cave Rescue and Recovery (IUCRR). In 2011, he recovered the body of his...

recognized for his paintings that explore themes of nature, particularly underwater landscapes. Masličić was born into a Bosniak family in Berane, Montenegro...

neckweight allowed him to swim more horizontally and hydrodynamically underwater compared to a weight belt around the waist. Tom Sietas beat Nitsch's last...

The Mansfield Cut Underwater Archeological District is an 18.31-acre (74,100 m2) area located near the city of Port Mansfield, Texas, United States, in...

Sea Life Sunshine Coast (formerly known as UnderWater World) is a marine mammal park, oceanarium and wildlife sanctuary at Mooloolaba, Sunshine Coast,...

Mod 1 was made by Qinetiq, in their underwater business division. It was unveiled at UDT 2003. The underwater division was sold to ATLAS ELEKTRONIK...

coralline algae. Artificial reefs, such as shipwrecks and other man-made underwater structures, may occur intentionally or as the result of an accident. These...

were not used in the completed film. At the same time several makes of underwater firearms fired a steel bolt just over 4 inches long (but without fins)...

Swimmers, Underwater Demolition Teams, and Motor Torpedo Boat Squadrons. In the Vietnam era, the Navy's special units included separate Underwater Demolition...

Robert Fulton termed his underwater explosive device a torpedo: Robert Fulton invented the word torpedo to describe his underwater explosive device and successfully...

recreational underwater activities such as recreational diving and snorkelling, and competitive underwater activities including underwater sports as underwater hockey...

members of the United States Navy (USN) who have completed the Basic Underwater Demolition/SEAL (BUD/S) training, completed SEAL Qualification Training...

marksman rifles, multiple-barrel firearms, muskets, grenade launchers, underwater firearms, anti-tank rifles, anti-materiel rifle and any other variants...

mark and record mine-like objects and underwater terrain features. The AQS-20 has an active, stabilized underwater vehicle, equipped with advanced multiple-beam...

The Pinto Underwater Sculpture Museum for Marine Ecosystem Regeneration is located in Currimao, Ilocos Norte's Poblacion Bay, in the Philippines. A project...

British Underwater Sports Association (BUSA) is the British affiliate of the Sports Committee of Confédération Mondiale des Activités Subaquatiques (CMAS)...

A brine pool, sometimes called an underwater lake, deepwater or brine lake, is a volume of brine collected in a seafloor depression. These pools are dense...

The Indian Underwater Robotics Society, or IURS (registered as the Intelligent Unmanned Robotics Society), is India's first and only non-profit research...

deployment and recovery of unmanned surface vehicles (USVs) and unmanned underwater vehicles (UUVs). The command and control architecture is designed for...

The Federazione Italiana Attività Subacquee (FIAS) (Italian Underwater Activities Federation) is an Italian non-profit diver training organization. It...

SARbot UK is an underwater search and rescue charity based in the United Kingdom. They can be called to assist the emergency services who are unable to...

Banc Capel is a guyot, or flat-topped underwater volcano, in the Coral Sea. Banc Capel is a guyot – a former atoll with steep sides and a flat top – and...

The Philippine Underwater Hockey Confederation (PUHC) is the national sports association for Underwater hockey and the first Underwater hockey club[clarification...

Hymenochirus feae Boulenger, 1906 African dwarf frogs live their entire lives underwater but need to rise to the surface to breathe air as they have lungs and...

2022 was 7 km (4.3 mi) off the coast and approximately 5.8 m (19 ft) underwater, and near Abukir. The sanctuary of Neith of Sais was located in Thonis...

is an American actress and model. Jones had a successful career as an underwater fashion model, becoming the muse of photographer Howard Schatz. Working...

sak aktun, lit. 'white cave', Spanish: sistema, lit. 'system') is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula...

equipment required to support a saturation diving operation. It may be an underwater habitat, or more commonly for commercial diving operations, a hyperbaric...

tend to be dynamically positioned (DP) and double as remotely operated underwater vehicle (ROV) support vessels, and also be capable of supporting seismic...

over the overall length being underwater. This makes it one of the longest underwater caves and the largest underwater gypsum cave in the world. It contains...

data, and sent it to the support ship at three-minute intervals via an underwater acoustic communication system developed by West Australian company L-3...

c. 1965) is an American robotics engineer, professor, specialising in underwater and field robotics. He is a professor of electrical and computer engineering...

manufacture a clean room drill, the GRABO lifter and a special-ops line of underwater tools. The company was founded by Nimo Rotem and Oleg Zhukov. Nemo Power...

of sexual fetishism that involves images of people swimming or posing underwater, and sexual activity in or under water. Glasgow, Rupert D.V. (2009). The...

sonar buoy dropped from aircraft or ships for anti-submarine warfare or underwater acoustic research. The name is a portmanteau of sonar and buoy. Sonobuoys...

Risør Underwater Post Office (Norwegian: Risør Undervannspostkontor) is a post office constructed by use of a diving bell, built as a tourist attraction...

propellers, but in theory, the technique could be extended to an entire underwater vessel. Cavitation is the internal boiling of a liquid caused by rapid...

Diving chess is a sport in which chess is played underwater. It was invented by Etan Ilfeld; and, since 2013, it has been included as one of the disciplines...

hawk pose. Swimmers often perform underwater handstands as a stunt, with their heads, arms, and bodies underwater and their legs and feet extended above...

The women's underwater hockey tournament for 4x4 sides at the 2019 Southeast Asian Games was held at the Vermosa Sports Hub in Imus, Cavite, Philippines...

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which...

International Underwater Cave Rescue and Recovery (IUCRR) is an all-volunteer not-for-profit organization formed in 1999 that provides assistance to law...

Various other casts of the statue are located in other places worldwide, in underwater locations, churches and museums.[citation needed] The original clay positive...

hygroscopicity.[vague] It has usage as an oxidizer in liquid explosives including underwater blasting. The compound is synthesized by gradual addition of urea into...

reproduce by stolons, but some are only underwater for part of the year, and flower when they are not underwater. Molecular data show Littorella to be sister...

divers. APS Underwater Assault Rifle. SPP-1 Underwater Pistol. Protei-5 and similar one-man underwater diver-carriers. «PPV» underwater tablet for divers...

Casteel is an American photographer, known primarily for his photographs of underwater dogs. Casteel is from Decatur, Illinois, but lives in New York City and...

include U.S. Navy SEALAB I, Military Diving Equipment, Underwater Submersibles, and Assorted Underwater Masks and Helmets. Many of the exhibits are hands-on...

Scuba diving is an underwater diving mode where divers use breathing equipment completely independent of a surface breathing gas supply, and therefore...

English: World Underwater Federation) is an international federation that represents underwater activities in underwater sport and underwater sciences, and...

term is used to mean the same area but divided by 4π. In other areas of underwater acoustics, the general physics definition is used. Radar cross-section...

rolled onto her starboard side, lying in an unsteady position on a rocky underwater ledge. The evacuation of Costa Concordia took over six hours, and of the...

Aquarium of Guam (formerly UnderWater World Guam) is a public aquarium in Tumon, Guam. It features one of the longest tunnel-aquariums in the world and...

The Pioneers of Underwater Acoustics Medal is awarded by the Acoustical Society of America in recognition of "an outstanding contribution to the science...

academies with each one setting their own requirements from their students. Underwater diving portal Glossary of surfing "Surfing Rash Guard Shirts". Archived...

tables. In: Jaap, WC (ed). Advances in Underwater Science 90. Proceedings of the American Academy of Underwater Sciences Tenth annual scientific diving...

The Parque Nacional Submarino La Caleta (English: La Caleta Underwater National Park) is a national park located approximately 20 kilometres (12 miles)...

The Aquarius Reef Base is an underwater habitat located 5.4 mi (8.7 km) off Key Largo in the Florida Keys National Marine Sanctuary, Florida, United States...

has featured a signature Underwater Observatory Tower. The tower descends 20 feet (6.1 m) in the ocean to allow underwater viewing. Later additions to...

Material Administration) in June 2014 regarding the Swedish Armed Forces’ underwater capability for the period 2015–2024. Saab has since acquired Kockums....

The coast off Le Morne Brabant is often cited as the location of an underwater waterfall. The peninsula is steeped in cultural myth and legend in the...

materials with very low heat input or dust production, and can be effective underwater. Some advantages of this technology for use in the oil and gas production...

recreational fishing. Within the lake, there is the underwater cave called Vrelo, one of the deepest underwater caves in Europe, with a depth of over 203 metres...

The Dokos shipwreck is the oldest underwater shipwreck discovery known to archeologists. The wreck has been dated to the second Proto-Helladic period,...

International (SEI) is an underwater diving training organization established in the United States during 2008 to continue the underwater diving training program...

several weeks. Although she had logged more than 1,000 research hours underwater, Earle was rejected from the program. The next year, she was selected...

The science of underwater diving includes those concepts which are useful for understanding the underwater environment in which diving takes place, and...

The South African Underwater Sports Federation (SAUSF) is the official CMAS (World Underwater Federation) representative in the Republic of South Africa...

lyrics have excerpts in Portuguese. They are best known for their single "Underwater Love", which was a major hit in 1997, after being used in a Levi's television...

Aquathlon (also known as underwater wrestling) is an underwater sport, where two competitors wearing masks and fins wrestle underwater in an attempt to remove...

Weight Apnea without fins: 40 meters Free Immersion Apnea: 55 meters Underwater diving portal Sveen, Knut (8 March 2010). "Elisabeth Kristoffersen er...

Błotniak (Polish for "Harrier") is a one-man wet cabin underwater craft designed in Poland in 1978. It was based in the torpedo research centre in Gdynia...

filmmaker and actor. A skilled swimmer, he was known for his innovative underwater stunt work, notably in the 1954 film Creature from the Black Lagoon, in...

cut. In 2020, Henwick co-starred in the Fox science fiction thriller Underwater, and the films Love and Monsters and Sofia Coppola's On the Rocks. That...

responsible for underwater and Land tasks including removing or salvaging underwater munitions such as mines and for servicing underwater drones. It is...

Listronotus caudatus is a species of underwater weevil in the beetle family Curculionidae. It is found in North America. "Listronotus caudatus Report"...

soundtrack features performances using classical European instruments. The underwater environments and gameplay mechanics, which differ from those on land,...

periodically living underwater or willing to dive. For example, certain Desis species spend the high tide in an air-filled underwater retreat made from...

towing, they can also undertake, for example, ROV (remotely operated underwater vehicle) services, safety/rescue services, and supply duties between mainland...

and topical guide to underwater divers: Underwater divers are people who take part in underwater diving activities – Underwater diving is practiced as...

Leiter and Largo's mistress, Domino Derval, Bond's search culminates in an underwater battle with Largo's henchmen. The film's complex production comprised...

for his contributions to modeling and control of smart materials and underwater robotics. Tan received a B.E. in automatic control from Tsinghua University...

of underwater divers whose exploits have made them notable. Underwater divers are people who take part in underwater diving activities – Underwater diving...

The paravane /ˈpærəveɪn/ is a towed winged (hydrofoiled) underwater object—a water kite. Paravanes have been used in sport or commercial fishing, marine...

structures called tetrapods or similar concrete blocks. Riprap is also used underwater to cap immersed tubes sunken on the seabed to be joined into an undersea...

"Underwater" is a song by Australian alternative dance group Rüfüs Du Sol, released on 10 August 2018 as the second single from their third studio album...

watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is...

the still waters of the dam as a training ground for deep dives. The underwater visibility ranges from about 5–8 metres (16–26 ft). Divers are advised...

snowboarding; on top of large bronze statues; in the middle of a street; underwater; in the middle of the M1 motorway; in a keirin cycle race; while parachuting;...

free dictionary. Submersion may refer to: Being or going underwater, as via submarine, underwater diving, or scuba diving Submersion (coastal management)...

4, 2009, titled Second Home. Digby's second English album, Breathing Underwater, was released across Asia in summer 2009 and in North America in September...

leash to the treadmill should be avoided as it can cause serious injury. Underwater treadmills are a type of treadmill encased in glass or plastic and filled...

The Archaeology Discover Centre (formerly Sunken Secrets and the Underwater Archaeology Centre) was a museum located in Fort Victoria on the Isle of Wight...

services Part of the battalion is 82nd River Underwater Demolition Company (frogmen, river reconnaissance, underwater demolition and sabotage) diving unit. It...

Croome, a science writer and author who specialized in the history of underwater archaeology (an estimate rapidly endorsed by UNESCO and other organizations)...

A torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, with an explosive warhead designed...

episode "Things We Said Today" (season 9, episode 10). The song "Breathing Underwater" is featured in the 2013 The Vampire Diaries episode "Original Sin" (season...

"Explorer") is a Turkish remotely operated underwater vehicle (ROUV) developed to perform various tasks at underwater drilling works during gas exploration...

information transmission through challenging environments and in particular on underwater acoustic communications. Stojanovic was born and raised in Belgrade, Serbia...

participation in underwater sports began with scuba diving and underwater rugby. For twelve years, she is interested in various branches of underwater sports,...

tunnel (or aquarium tunnel, acrylic tunnel and exhibit tunnel) is an underwater tunnel that passes through an aquarium, typically with sharks and related...

Sharon Stone and Samuel L. Jackson. The film centers on a large mysterious underwater object discovered by Navy divers. It is based on Michael Crichton's novel...

name of a defunct, underwater basilica in Lake İznik, modern-day Turkey. The ruins are visible just off shore. In 2014 the underwater Byzantine Basilica...

American author and community activist who founded Old Ladies Against Underwater Garbage (OLAUG). Baur obtained a bachelor's degree in oceanography from...

Children tend to survive longer than adults when deprived of oxygen underwater. The exact mechanism for this effect has been debated and may be a result...

was a Navy SEAL and brother Diver First Class Patrick Stethem served in Underwater Construction Team One for 10 years – the same unit in which Robert served...

best known for his underwater photography. He notably worked on several films and television series for Ivan Tors, and shot underwater sequences on several...

The REMUS (Remote Environmental Monitoring UnitS) series is autonomous underwater vehicles (AUVs) made by the Woods Hole Oceanographic Institution and designed...

Hydrostatic weighing, also referred to as underwater weighing or hydrodensitometry,is a technique for measuring the relative density of an object. It is...

under orders of the Spanish Crown, making the wreck both a significant underwater cultural heritage site and a war grave of the Spanish state. The ship's...

scientific consulting firm, that supplies services and equipment related to underwater acoustics. JASCO operates from 7 international locations and provides...

National Flag Unfurled Underwater was achieved at Radhanagar Beach, Swaraj Dweep, on 2nd May 2026. The Tallest Human Stack Underwater was achieved at Swaraj...

research and survey vessel owned and operated in deep waters by Derinsu Underwater Engineering headquartered in Ankara, Turkey. The company operates another...

tourist fleet. The island's northern coast is noted for its colourful underwater coral growths, to which snorkelling and diving enthusiasts are attracted...

The Grand Banks of Newfoundland are a series of underwater plateaus south-east of the island of Newfoundland on the North American continental shelf. The...

Researcher Ridge is an underwater ridge in the Northern Atlantic Ocean. It appears to be a chain of seamounts named Gollum Seamount, Vayda Seamount, Bilbo...

Underwater hockey in Great Britain was first played in Southsea, Hampshire where it was invented in 1954. It is governed nationally by the British Octopush...

mountains (Ire, Eau morte, Laudon, Bornette and Biolon) and a powerful underwater source, the Boubioz, at an 82-metre depth (269 ft).[citation needed] Annecy...

The Greater Underwater Propulsion Power Program (GUPPY) was initiated by the United States Navy after World War II to improve the submerged speed, maneuverability...

The Protection of Underwater Cultural Heritage Center in Saudi Arabia is a center affiliated with the Heritage Commission, a key entity operating under...

Illa Raudik (born 10 January 1944 in Vastseliina) is an Estonian underwater swimmer. In 1967, she graduated from Tallinn Pedagogical Institute in physical...

McKie, N (2004). "Freediving in cyberspace". Journal of the South Pacific Underwater Medicine Society. 34: 101–3. Retrieved 2013-10-05.{{cite journal}}: CS1...

Narcissus as Florida's twelfth Underwater Archaeological Preserve. The proposal was accepted and the shipwreck became an Underwater Archaeological Preserve in...

marine archaeologist and treasure-hunter who established Kelly Tarlton's Underwater World in Auckland, New Zealand. Tarlton was born on 31 October 1937 in...

a group of ten Norwegian divers started to explore the Pluragrotta's underwater cave system. Most of the divers were working as Fire brigade-officers...

extreme south of Sardinia, Italy. Most of the ruins have been submerged underwater. Bithia was founded by the Phoenicians in the 8th century BC as Bitan...

ending up with an ostensibly desk-bound role as the head of the National Underwater and Marine Agency. Pitt has a commanding presence, a quick wit, and a...

Underwater search and recovery is the process of locating and recovering underwater objects, often by divers, but also by the use of submersibles, remotely...

The Townline Tunnel is an underwater tunnel in Welland, Ontario, Canada carrying Highway 58A as well as the Canadian Pacific Railway under the Welland...

Listronotus tuberosus is a species of underwater weevil in the beetle family Curculionidae. It is found in North America. "Listronotus tuberosus Report"...

children from the previous films to SeaWorld, a Florida marine park with underwater tunnels and lagoons. As the park prepares for opening, a young great white...

a United States Navy project to produce a seaplane which could travel underwater as well as fly. Between 1962 and 1964, the Navy granted a contract to...

making exact measurements of the way to the Mörikedom. The improvement of underwater breathing technology, especially the rebreather, has allowed for longer...

Kermanshah in Iran. The deepest reached by a remotely operated underwater vehicle in an underwater cave is 450 metres (1,480 ft), in the Hranice Abyss in the...

American geophysicist known for his important contributions to underwater acoustics, underwater photography, and gravity measurements at sea. Worzel was born...

in the sea, river, lake, which impedes navigation. It is a type of an underwater relief where the depth of the water is low compared to that of the surrounding...

Great Lakes area. Alger Underwater Preserve Apostle Islands National Lakeshore Calumet Shoreline De Tour Passage Underwater Preserve Glenwood Shoreline...

The Alger Underwater Preserve is a preservation area in the U.S. state of Michigan. Located in Lake Superior, it protects waters that lie offshore the...

groups of astronauts, engineers and scientists to live in the Aquarius underwater laboratory, the world's only undersea research station, for up to three...

Federation (ITF), International Diving Schools Association (IDSA), European Underwater Federation (EUF) and International Diving Regulators and Certifiers Forum...

oceanographic researcher Jacques Cousteau, equipped with a mobile laboratory for underwater field research. She was severely damaged in 1996 and was planned to undergo...

Sam Stewart The men's underwater hockey tournament for 6x6 sides at the 2019 Southeast Asian Games was held at the Vermosa Sports Hub in Imus, Cavite,...

geologically young and is not consolidated into solid rock. Sediments deposited underwater, in seas, estuaries, lakes, or ponds, are not described as alluvium. Floodplain...

 Sailing (7) (details)  Surfing (13) (details)  Triathlon (5) (details) Underwater sports (3) (details)  Waterskiing (10) (details) Final medal tally   *   Host...

the scripts for Jack Ryan: Shadow Recruit, The Legend of Tarzan, and Underwater. Cozad was born and grew up in Chico, California, where he attended Notre...

The Society for Underwater Historical Research (SUHR) was an amateur maritime archaeology organisation operating in South Australia (SA). It was formed...

The discography of God Lives Underwater, a Pennsylvanian band, consists of three studio albums, one extended play, and seven singles. "Life in the So-Called...

Listronotus sordidus is a species of underwater weevil in the beetle family Curculionidae. It is found in North America. "Listronotus sordidus Report"...

Paradise, the lower Florida Keys scuba divers Key West to Big Pine Key with underwater tropical reef fish and see maps of wrecks at diveshops Archived 2008-01-01...

loans are mortgages) with negative equity are often referred to as being "underwater", and loans and borrowers with negative equity are said to be "upside...