How Is Caffeine Removed from Coffee?
How Is Caffeine Removed from Coffee? In order to remove the caffeine from coffee beans, the beans are washed in a liquid capable of dissolving substances, transferring...
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What Is Fox Fire?
What Is Fox Fire? If you took a nighttime walk in the woods, you might see a ghostly light known as fox fire, also sometimes called fairy fire. It is caused by a...
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How Are Plastics Made?
Plastics are manufactured from chemicals that come from such materials as coal and petroleum. Petroleum, for example, is the source for different liquids and gases. One...
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How Are the Pictures Formed on Camera Film?
How Are the Pictures Formed on Camera Film? Photographic film is a thin sheet of plastic, coated with special chemicals. Where light rays hit the film, chemical changes...
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How Does a Firefly Make Its Light?
How Does a Firefly Make Its Light? A firefly produces its light through a chemical process that takes place in an organ near the tip of its abdomen. The cold light is...
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