?爱因斯?讲解质能方程

 为纪念2005世界物?年美国物?学??会 (AIP) 公布了爱因斯?于1948年在记录片《原?物?学》中讲解质能方程的一段录音?文稿,并整?完?了"爱因斯?——影?和影?"。

“It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing — a somewhat unfamiliar conception for the average mind. Furthermore, the equation E is equal to m c-squared, in which energy is put equal to mass, multiplied by the square of the velocity of light, showed that very small amounts of mass may be converted into a very large amount of energy and vice versa. The mass and energy were in fact equivalent, according to the formula mentioned above. This was demonstrated by Cockcroft and Walton in 1932, experimentally."
下载:
http://www.aip.org/history/einstein/sound/voice1.wav

http://www.aip.org/history/einstein/sound/voice1.mp3

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