Flexion Robotics, a startup founded by ex-Nvidia engineers, has a clever way of training robots to do useful work.

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies ...

Imagine you’re on an elevator. It stops, and the vice president of a company you want to work at steps in. “The doors close and you have 20 or 30 seconds to grab his interest,” said Melanie Winograd, ...