There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

Pressing a button appears easy, but the brain needs a probabilistic internal model to control a press. A new theory exposes significant improvements to button design that help gamers and musicians.

These are some great DIY projects that you can do for cheap.