But the hand that trained with gravity randomization could learn how to correct for this anomaly. To keep its grip on the block, the robot has five fingers and 24 degrees of freedom, making it ...

The hand, developed at Switzerland’s EPFL, can detach from an arm, crawl around on its own, grab small objects, and bring them back before reattaching itself.

Researchers in the U.K. have developed a bionic hand, which uses a camera and artificial intelligence to work out what it's reaching for.

(CNN) — What appears to be a ghostly hand reaching across the universe toward a defenseless spiral galaxy in a new telescope image is a rarely seen cosmic phenomenon, according to astronomers.