A selection of the best machines for turning your failed prints and scrap plastic into new 3D printing filament.

For a certain kind of intricate, highly-detailed manufacturing, there’s really no substitute for a resin 3D printer, and it’s therefore unfortunate that they require so many poisonous chemicals. The ...

Your TV's Sound Is Bad. These Free Fixes Make It Noticeably Better ...

Physicists from Emory University have led work to develop a microscopic, nonlinear light source that can be switched on, off ...

When a singer belts out a tune while a guitar player strums along, sound waves travel through the air, driving collective oscillations of the molecules within. Meanwhile, at the quantum level, ...

Tanaka Masayuki’s PCMFlow722 library enables (half-duplex) two-way real-time HD voice over ESP-NOW on ESP32 boards with a speaker and a microphone, effectively transforming them into walkie-talkies.