Sonic Boom
They sound like thunder, but they're not. They're sonic booms, concentrated blasts of sound waves created as vehicles travel faster than the speed of sound. To understand how the booms are created, look to the ocean. On the sea, there are small ripples in the…
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Radioactive Radon
Radon is a gas produced by the radioactive decay of the element radium. Radioactive decay is a natural,…