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?How d
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
