What Is Saint Elmo’s Fire?
Saint Elmo’s fire is the name given to the glow of light that is sometimes seen on ship masts, airplane wings and church steeples during a thunderstorm. It is...
Read MoreSaint Elmo’s fire is the name given to the glow of light that is sometimes seen on ship masts, airplane wings and church steeples during a thunderstorm. It is...
Read MoreHow Did the White House Get Its Name? The home of the president of the United States gets its name from its white walls. But the White House wasn’t always white,...
Read MoreHow Does a Smoke Detector Work? There are two basic kinds of smoke detectors: ionization detectors and photoelectric detectors. A smoke alarm uses one or both methods,...
Read MoreHow Does a Fire Extinguisher Work? Most fire extinguishers smother a fire by shutting off the supply of air with certain chemicals. The carbon dioxide extinguisher...
Read MoreWhere Does the Wax Go When a Candle Burns? The wax that doesn’t drip down the side of a burning candle turns into a gas that produces the bright flame. When the...
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