The human hand, with its 23 degrees of freedom, accounts for about 54% of the body's total movement ability, despite weighing only around 1/150 of the body weight. However, traditional prosthetic ...

From there, the researchers exposed the hand to a “heat blast,” partially melting it. They took the abuse a step further by using a scalpel to slice the hand open.

Give me a hand A “biohybrid” robotic hand built using real human muscle cells A real bit of cyborg hardware highlights the technology's current limitations.