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Benjamin Choi has developed a prosthetic arm

 

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Seventeen-year-old Benjamin Choi has developed a prosthetic arm

Benjamin Choi from Virginia has developed a prosthetic arm which doesn’t require brain surgery. The question is how did he do that?

When Benjamin Choi was a third-grader, he watched a documentary film about mind-controlled prostheses.

What is prosthesis?

Prosthesis is an artificial device that replaces a missing body part which maybe lost due to disease and trauma.

In this process, scientists implanted tiny sensors into the brain of the patient with the help of these sensors, the patient moves her robotic arm.

New prosthetic arm

In 2020, when the pandemic hit the world, Choi found himself with a lot of spare time. He decided to use his spare time to build a prosthetic arm.

Making of the prosthetic arm

In the laboratory in his basement, Benjamin Choi designed the first version of the robotic arm using his sister’s 3D printer and some fishing line.

Benjamin Choi printed the arm in tiny pieces and bolted and tied it with a rubber band. It took about 30 hours to print the prosthetic arm. This version of the prosthetic arm uses brain wave data and head gestures. Isn’t this interesting?

His experience in building robots and coding by participating in robotics at the school levels. Moreover, he studied Python and C++ all by himself. These skills have been helpful for him in making the prosthetic arm.

After 75 iterations, the non-invasive, mind-controlled robotic arm is made from engineering-grade materials and it weights about 4 tons.

How does the prosthetic arm work?

The prosthetic arm operates using an algorithm that is driven by artificial intelligence (AI) that interprets the user’s brain. The manufacture of the new prosthetic arm costs around $300.

With this new invasion, Benjamin Choi is now in the top 40 finalists of the 2022 Regeneron Science Talent Search.  It is the country’s oldest and most prestigious science and math competition for high school seniors.

Isn’t it interesting? Share your thoughts in the comments below.

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