When light reflects off a surface, not all of it reflects off at the same wavelength; some photons impart a portion of their ...

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 ...

You can’t doubt the appeal of vintage audio equipment, especially stereo receivers. With their giant metal knobs, faux-wood paneling and glow-up facades, they have a unique cool factor that modern ...