With little more than a gutted record player, a light bulb, and the legendary 555 timer IC, [Jacob Ellzey] has constructed this very slick optical tremolo effect for his guitar. By modulating the ...

Radiohead on the iPod. And undoubtedly, something really embarrassing from the 90s on the CD player. Good news for anyone who has old records but no record player: you can make your own record ...