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Gold can be created from other elements. But the process requires nuclear reactions, and is so expensive that you currently cannot make money by selling the gold that you create from other elements. All regular matter is made out of atoms. ...
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SONAR stands for SOund NAvigation Ranging. Sound travels through fresh water at a speed approximately 4920 feet per second. What a sonar device (depth finder / fish finder) does is to measure the amount of time for a burst of ...
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The answer to this question is more complicated than most people realize. Some flames do contain plasma and some flames do not. To properly answer this question, we really have to first strictly define what we mean by "plasma". A ...
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Cell phones do not cause cancer, no matter how long they are used, because they communicate using radio waves. Radio waves simply don't have enough energy per photon to ionize atoms. The World Health Organization states, "Only the high frequency ...
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Diamonds do not last forever. Diamonds degrade to graphite, because graphite is a lower-energy configuration under typical conditions. Diamond (the stuff in wedding rings) and graphite (the stuff in pencils) are both crystalline ...
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Mirrors do not flip left to right. They flip front to back. Mirrors reflect light rays such that the angle of reflection equals the angle of incidence. For a three-dimensional object standing in front of the mirror, there is an ...
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Fire can have a shadow not because the incoming light beam scatters off the light in the flame. On the fundamental level, one beam of light cannot directly interact with another beam of light. ... Fires can have shadows because ...
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