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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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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 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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As you assemble more and more mass together in a small volume, the gravity there becomes stronger and stronger. At first, it becomes more an... -
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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 "... -
Current refers to moving charged particles. In most solids, the particles that do the moving are negatively charged electrons that move in t... -
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Human beings have vocal chords inside the larynx which produce sound. When air passes through a gap between the chords, these chords vibrate... -
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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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If you put a conditioner on your hair, it will attract enough moisture to allow static charge to dissipate. -
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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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