Qudi debuted the world’s first emotional LED mask at CES 2022. The mask is made out of translucent glass eye goggles attached to a mouth coverage that contains 199 smart LED pixels.

Don’t buy masks with exhalation valves, according to the CDC. Price: More expensive disposable masks don’t guarantee better protection, so don’t sweat price point, experts say.

Communicating with space-based ham radio satellites might sound like it’s something that takes a lot of money, but in reality it’s one of the more accessible aspects of the hobby. Generally ...