Why Do We Call Galileo by His First Name Only?
Why Do We Call Galileo by His First Name Only? The surname Galilei derives from the given name of an ancestor, Galileo Bonaiuti, a physician, university teacher and...
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Why Does Bread Have Holes in It?
Why Does Bread Have Holes in It? The holes in a piece of bread are made by bubbles of gas. In bread making, flour and water are mixed to form dough. Then a small amount...
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When Did the Publication of Comic Books Begin?
When Did the Publication of Comic Books Begin? Comics as a print medium have existed in America since the printing of The Adventures of Mr. Obadiah Oldbuck in 1842 in...
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What Is Energy?
Energy is the power to act. There are several different forms of energy, and one kind can be changed into another kind. But although it can be changed from one form...
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Does Extraterrestrial Life or so Called Aliens Actually Exist?
Does Extraterrestrial Life or so Called Aliens Actually Exist? Unless you’ve personally had a UFO sighting (and I’d be concerned for your well-being if you...
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What Makes a Boomerang Come Back?
What Makes a Boomerang Come Back? It is the built-in skew or twist in a boomerang combined with its spinning motion that makes it return to the thrower. At first people...
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Why Does a Pair of Identical Twins Look Alike?
Why Does a Pair of Identical Twins Look Alike? If you’ve ever seen a pair of identical twins, then you know that they usually look…well…identical! That’s...
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Why Do Some Cars Need Aerofoils?
Why Do Some Cars Need Aerofoils? Racing cars capable of moving at speeds well in excess of 100 mph need aerofoil’s to counter the effect of lift created by their highly...
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What Are Emojis and How Are They Different from Emoticons?
What Are Emojis and How Are They Different from Emoticons? Emojis are ideograms and smileys used in electronic messages and Web pages, are used much like emoticons and...
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How Is Ink Made?
Ink is made from a pigment, or dye, and a liquid, called the vehicle, in which the dye is dissolved. There are two chief types of ink: Writing ink which can be washable...
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