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Draft:Protoclone


Protoclone (Clone α)
InventorClone Robotics
CountryUnited States / Poland
TypeAndroid, Humanoid robot
PurposeDomestic assistance, commercial use

Protoclone (also referred to as Protoclone V1 or Clone Alpha) is a bipedal artificial musculoskeletal android developed by Clone Robotics, a robotics startup with operations in the United States and Poland. First publicly demonstrated in January 2025, it is claimed by its manufacturer to be the world's first bipedal musculoskeletal android designed for commercial use.[1] The robot is anatomically accurate, faceless, and features over 200 degrees of freedom, more than 1,000 proprietary artificial muscle fibers known as Myofibers, and over 500 integrated sensors.[2]

Background

Clone Robotics was founded in 2021 with the stated goal of developing biomimetic robots that replicate the strength and agility of biological organisms.[3] The company began its development with a robotic hand featuring artificial bones and muscles capable of natural thumb rotation and grasping, before progressing to a humanoid torso with lifelike joints and motion. The Protoclone V1 represents the company's first full-bodied android prototype.

A video of the robot was posted on X in January 2025 by Clone co-founder Dhanush Radhakrishna, who described the unveiling as "ground zero for the age of androids." The clip gained tens of millions of views within hours of publication.[4]

Design and construction

Skeletal structure

The Protoclone's skeleton consists of 3D-printed polymer bones modeled closely on human anatomy. It includes all 206 bones found in an adult human, with minor fusions at certain stress points for added structural durability. Artificial ligaments and tendons connect the skeletal components, enabling fluid and anatomically accurate movement.[5]

Myofiber artificial muscles

The robot is actuated by over 1,000 Myofibers, a proprietary artificial muscle technology developed by Clone Robotics. These are fluid-driven, monolithic actuators designed to replicate the behavior of mammalian skeletal muscle. Each three-gram fiber is capable of generating more than one kilogram of contraction force, contracting over 30 percent when unloaded, and responding in under 50 milliseconds.[6] The monolithic design eliminates tendon failures common in traditional robotic actuator systems.

The prototype version uses a pneumatic system to power its muscles, while the commercial Clone Alpha model is planned to transition to hydraulic actuation. The hydraulic system uses a water-based pump described by the company as comparable in compactness to the human heart, rated at 500 watts.

Degrees of freedom

Protoclone achieves over 200 degrees of freedom across its full body. The upper torso alone provides 164 degrees of freedom, distributed as follows:

  • 20 degrees of freedom across the shoulder joints
  • 26 degrees of freedom across the hand, wrist, and elbow
  • 6 degrees of freedom per vertebra along the spine[7]

Cooling system

The robot incorporates a bio-inspired cooling mechanism in which water circulates through microchannels within its frame. This system dissipates heat generated by the Myofibers during operation, functioning analogously to human perspiration.[8]

Sensory and control systems

Protoclone is equipped with a multi-layered sensory suite, comprising:

  • 4 depth cameras positioned in the skull for environmental vision and navigation
  • 70 inertial sensors for joint-level proprioception (angles and velocities)
  • 320 pressure sensors for muscle-level force feedback[9]

The control architecture employs microcontrollers integrated along the spine that relay sensory data to an NVIDIA Jetson Thor GPU housed in the skull. This processor runs Cybernet, a visuomotor foundation model developed by Clone Robotics.[10]

Appearance

Protoclone is intentionally faceless in its prototype form, with a smooth black reflective visor covering the facial area. Clone Robotics has stated this design choice was made to avoid the uncanny valley effect while also simplifying sensor placement.[11]

Intended applications

Clone Robotics has described Protoclone as a platform for domestic service robots. The planned commercial version, Clone Alpha, is intended to perform household tasks including laundry, dishwashing, meal preparation, vacuuming, pouring drinks, and fetching items. The company has also described the robot as capable of natural conversation and social interaction.[12]

Commercialization

The production version of Protoclone will be marketed as Clone Alpha (Clone α). A limited initial run of 279 units has been announced. Pricing had not been confirmed as of early 2025, with pre-orders scheduled to open later in the year.[13]

Comparison with other musculoskeletal robots

Clone Robotics claims the Protoclone is the first bipedal musculoskeletal android designed for commercial deployment. This claim has been subject to debate. The University of Tokyo's JSK Lab introduced Kengoro in 2017, a musculoskeletal humanoid robot with a similarly anatomically inspired design and a sweating-based cooling system. However, Kengoro was developed as a research platform rather than for commercial use.[14]

Unlike contemporaneous humanoid robots from companies such as Tesla (Optimus), Figure AI, and Agility Robotics — which use rigid motorized frames — Protoclone is distinguished by its use of soft, fluid-powered artificial musculature and anatomically modeled skeletal structure. Clone Robotics identifies its approach as biomimetic robotics, prioritizing human-likeness over simplified mechanical design.[15]

Public and media reception

The January 2025 reveal video attracted significant attention on social media, garnering over 34 million views on X within days of release. Reactions ranged from fascination to unease, with many commentators comparing the robot's appearance to fictional androids from science fiction, including the host drones from the HBO series Westworld.[16] Dar Sleeper, head of growth at OpenAI-backed startup 1X Technologies, described the design as both impressive and unsettling.

Critics raised concerns about the practicality and societal implications of highly lifelike androids, citing established research suggesting that humans feel discomfort when interacting with robots that appear nearly — but not quite — human, a phenomenon known as the uncanny valley.

See also

References

  1. ^ "Humanoid 'Protoclone' robot twitches into action while hanging from ceiling in viral video". Live Science. February 21, 2025.
  2. ^ "Watch creepy humanoid robot twitch and move with human-like skeleton". Interesting Engineering. February 20, 2025.
  3. ^ "Watch Protoclone flex as world's first synthetic android comes alive". Interesting Engineering. April 14, 2025.
  4. ^ Mike Kalil (November 6, 2025). "Clone Robotics Protoclone V1 Synthetic Human".
  5. ^ "Humanoid 'Protoclone' robot twitches into action while hanging from ceiling in viral video". Live Science. February 21, 2025.
  6. ^ "Watch Protoclone flex as world's first synthetic android comes alive". Interesting Engineering. April 14, 2025.
  7. ^ "Watch Protoclone flex as world's first synthetic android comes alive". Interesting Engineering. April 14, 2025.
  8. ^ "Protoclone V1 is a sweating robot with 1000 artificial muscles". RD World Online. February 20, 2025.
  9. ^ "Watch creepy video of Protoclone robot with bionic muscles twitch, shrug and clench its fists". Live Science. April 15, 2025.
  10. ^ "Watch Protoclone flex as world's first synthetic android comes alive". Interesting Engineering. April 14, 2025.
  11. ^ "Protoclone V1 is a sweating robot with 1000 artificial muscles". RD World Online. February 20, 2025.
  12. ^ "Humanoid 'Protoclone' robot twitches into action while hanging from ceiling in viral video". Live Science. February 21, 2025.
  13. ^ "Clone Robotics Unveils Protoclone, a Slightly Creepy Faceless Bipedal Musculoskeletal Android". TechEBlog. February 21, 2025.
  14. ^ Mike Kalil (November 6, 2025). "Clone Robotics Protoclone V1 Synthetic Human".
  15. ^ "Watch Protoclone flex as world's first synthetic android comes alive". Interesting Engineering. April 14, 2025.
  16. ^ Mike Kalil (November 6, 2025). "Clone Robotics Protoclone V1 Synthetic Human".

Category:Humanoid robots Category:Biomimetics Category:Polish inventions

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