Ever walked into a grocery store for milk and walked out with a cart full of stuff you didn't plan to buy? You're not alone.

Can you feel your PC or Mac running hot? We've found the best ways to check processor temps on your Windows PCs and Macs.

For the $5 I'd paid for it, that would have been cool. But alas, apart from being a useless scam, it's quite innocent. I tore mine apart, and inside is very little. Inside the plastic box is a circuit ...