HOW DO THEY DO THAT? How do they make mirrors? How do sword swallowers swallow swords? How does a Polaroid picture develop in broad daylight? How do camels go without water? How do they splice genes?...

The totally satisfying answers to more than 100 questions that drive normal people—not to mention infomaniacs and trivia buffs—crazy.Questions about matters great and small, from ancient times to yesterday.Illustrated...

Have you ever wondered: - How do they know how much an aircraft carrier weighs?- How do they get music onto a CD?- How does an electric eel generate electricity?- How do they know how long a second is?-...