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发表于 2010-12-13 11:01
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原帖由 无聊嘛 于 2010-12-13 09:46 发表 
不是悲观，嘻嘻，是近来看到篇报道，荷兰人erik verlinde，阿姆斯特但大学的，把引力都给推翻了，踢出基本力之外了，而且还有颇多人相应。
然后就觉得四大皆空了 ：））
霍金那意思也是，什么都是我们接受的信 ...
你其实应该更高兴的。因为他使得人对引力的认识更深入了。
At a symposium at the Dutch Spinoza-instituut on 8 December 2009 he introduced a theory that derives Newton's classical mechanics. This was followed by the publication of 'On the Origin of Gravity and the Laws of Newton' [1] on 6 January 2010. In his theory gravity exists because of a difference in concentration of information in the empty space between two masses and its surroundings; he also extrapolates this to General Relativity and quantum mechanics. He does not consider gravity as fundamental, but as an emergent phenomenon that arises from a deeper microscopic reality. He said in an interview with the newspaper de Volkskrant, "On the smallest level Newton's laws don't apply, but they do for apples and planets. You can compare this to pressure of gas. Molecules themselves don't have any pressure, but a barrel of gas has." See Entropic gravity.
Verlinde's approach to explaining gravity apparently leads naturally to the correct observed strength of dark energy.[2] Previous failures to explain its incredibly small magnitude have been called the greatest embarrassment in the history of theoretical physics.[3] |
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发表于 2010-12-13 13:24
