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发帖数: 1994 | 1 A Force from Empty Space: The Casimir Effect
Credit & Copyright: Umar Mohideen (U. California at Riverside)
Explanation: This tiny ball provides evidence that the universe will expand forever.
Measuring slightly over one tenth of a millimeter, the ball moves toward a smooth plate in
response to energy fluctuations in the vacuum of empty space. The attraction is known as the
Casimir Effect, named for its discoverer, who, 50 years ago, was trying to understand why
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