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Arlington Magazine Extraordinary Teen Awards 2022
Potomac School graduate and Thinkabit Lab intern, inventor Benjamin Choi. Photo by Skip Brown.
When pandemic lab shutdowns scuttled his plans for a research project on aluminum fuel in the summer of 2020, Benjamin Choi pivoted to a new idea that he could work on from home, using a 3-D printer—a prosthetic arm for amputees that could be controlled by brain signals. He had seen a documentary about mind-controlled prosthetic limbs in third grade and was convinced he could design one that was not only less expensive, but also less invasive.
His prototype, recently featured in Smithsonian Magazine, costs $300 to produce and uses external sensors on the head (in lieu of surgical implants) to
