Add Yahoo as a preferred source to see more of our stories on Google. VR tests show autonomous prosthetic arms feel most “yours” when they move at human-like speed, about a 1-second reach. (CREDIT: ...

Geeks have been building amazing things out of LEGOs for decades, but this motorized prosthetic arm has to be some sort of high water mark. A marvel of both form and function, the project of Max ...