Tesla coils are awesome. But if you’ve ever built one, you know how tedious winding the secondary coil is. So [Krux] decided to build a machine to do it for him. He’s currently working on his first ...

What is it about coil winding automation projects that’s just so captivating? Maybe it’s knowing what a labor saver they can be once you’ve got a few manually wound coils under your belt. Or perhaps ...

Automatic watches musn't be left unattended. Unlike a quartz watch (one that requires a battery), automatic mechanical watches are usually wound by the movement of the wrist. When not worn, the ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Like any complex piece of machinery, automatic watches ...