Clocks are one of the very first complex machines created by humans. Initially they all had pendulums and gears, but now they come in many different forms, from quartz watches to atomic clocks! Here are the HowStuffWorks articles that explain how they all work:
You Might Also Like
There's some nifty new technology afoot that's designed to make online clothes shopping more accurate. Does it live up to its promise?
If you've ever lamented how overstuffed your wallet is or how it's putting a crick in your back, fear not: its digital doppelganger is here to save the day. Well, maybe. We weigh the pros and cons of e-wallets in this article.