What Makes a Glowworm Glow?
What Makes a Glowworm Glow? A glowworm uses its glow to attract food and to burn off its waste. Its tail glows because of bio luminescence, which is a reaction between...
Read MoreWhat Makes a Glowworm Glow? A glowworm uses its glow to attract food and to burn off its waste. Its tail glows because of bio luminescence, which is a reaction between...
Read MoreWho Invented the Battery? A battery, which is actually an electric cell, is a device that produces electricity from a chemical reaction. Strictly speaking, a battery...
Read MoreHow Was the Controlled Use of Fire Discovered? According to the Greek mythology, Prometheus stole fire from the gods and gave it to humans. Many Native American...
Read MoreWhat Is the Distinction Between Cement and Concrete? Cement is a fine, grayish powder. In general terms, the word cement refers to any kind of binder that tightly holds...
Read MoreHow does a flashlight cell work? A flashlight cell supplies electricity through a chemical reaction. A flashlight cell usually has a paste-like chemical mixture...
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