Scientists have developed a tiny 'claw machine' that is able to pick up and drop a marble-sized ball in response to exposure to chemical vapors. The findings point to a technique that can enable soft ...

Like the little green aliens in Disney’s “Toy Story,” people — often kids — may find themselves obsessed with “the claw.” Claw machines, also known as crane machines, dot arcades, malls, even grocery ...

A crane with a claw hand hovers over your desired prize. You're armed with nothing but a joystick to help maneuver it left and right, and a button that drops the claw. It lands as you wait to see if ...