Just having a couple of buttons to smash that aren’t part of a controller or a keyboard or a phone sometimes can really soothe the beast sometimes. And sometimes, you just want to get the answer in ...

We know Simon Cowell can be cantankerous no matter what show he's judging. But on Tuesday's America's Got Talent, he was more than happy to slam the Golden Buzzer button not once, but twice, marking ...

Piezo elements have the useful property of being bidirectional; that is they can move when you apply electricity to them, but they can also generate electricity when you move them. [Carl] takes ...