As the U.S. government shuts down for the first time since 2018, at least 750,000 federal workers have already been furloughed without pay. Those deemed “essential,” such as members of the military, ...

Humans have a new way of seeing infrared light, without the need for clunky night-vision goggles. Researchers have made the first contact lenses to convey infrared vision — and the devices work even ...