A 17-year-old just built a mind-controlled prosthetic arm—using AI—for $300. Let that sink in.
$300.
Not $450,000—the current industry standard.
1,500x cheaper. No surgery. No implants. And it works. Meet Benjamin Choi, a high school student who trained an AI on brainwave data,
17-Year-Old Creates AI-Powered Prosthetic Arm for $300
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