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真空中的球形鸡

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基本资料
用语名称 真空中的球形鸡
用语出处 物理学笑话

真空中的球形鸡源自一个物理学笑话。用于讽刺盲目简化条件假设前提、过度简化(物理)模型,以至于得出的结论完全不符合现实的情况。


笑话

农场的鸡病了。农场主请来生物学家、化学家和物理学家来看一下鸡出了什么问题。生物学家对鸡做了一番检查,最后说,不知道鸡得的什么病。化学家作了一番试验和测量,最后也没查出什么个所以然。物理学家站在那儿,对着鸡看了一会,甚至都没去动一下那只鸡;然后,拿出笔记本开始写了起来;最后,经过一番可怕的计算,物理学家说,“搞定了,可是,只适用于真空中的球形鸡”。

There is this farmer who is having problems with his chickens. All of the sudden, they are all getting very sick and he doesn't know what is wrong with them. After trying all conventional means, he calls a biologist, a chemist, and a physicist to see if they can figure out what is wrong. So the biologist looks at the chickens, examines them a bit, and says he has no clue what could be wrong with them. Then the chemist takes some tests and makes some measurements, but he can't come to any conclusions either. So the physicist tries. He stands there and looks at the chickens for a long time without touching them or anything. Then all of the sudden he starts scribbling away in a notebook. Finally, after several gruesome calculations, he exclaims, 'I've got it! But it only works for spherical chickens in a vacuum.