Design and build a robotic arm that can lift a cup off a table. Design and build a robotic arm that can lift a cup off a table. Design Squad is available to stream on pbs.org and the free PBS App, ...

DARPA has trained one of its robots to identify humans. There’s just one little problem: The robot is cartoonishly easy to confuse. Share on Facebook (opens in a new window) Share on X (opens in a new ...