Thursday, 2 August 2012
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No, I don't think that anti-gravity is possible. The interpretation of gravity found in Einstein's General Theory of Relativity is a... -
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The Mongols, who ruled China for 89 years, were overthrown by Hung-Wu in AD 1368. That marked the start of the Ming dynasty, which lasted un... -
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Maximilien Robespierre was an important leader during the French Revolution. He was part of the Commune of Paris that overthrew Louis XVI. U... -
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There is only one mammal that flies: the bat. Most bats are nocturnal, which means they sleep during the day and are most active at dawn, du... -
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The area around a permanent magnet has a force that can affect other magnets or magnetic materials that come near it. This area is called a ... -
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When the dinosaurs became extinct, the world’s environment was already changing. It was stressed by natural events, such as falling sea leve... -
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If you put a conditioner on your hair, it will attract enough moisture to allow static charge to dissipate. -
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The brightness information comes to the television as a steady stream. While the television knows that this information should control the b... -
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Yes. Many children learn this simple poem to help them remember how many days are in each month. Although the origin of the lyrics to "... -
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As you suggest, the blades of a helicopter are really rotating wings. But unlike the wings of a normal airplane, the helicopter blades are a...
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