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不要误解王利军“超光速”实验的意义
neo6
最近王利军超光速的实验被炒得沸沸洋洋，网上看到
有些人借王利军的实验来攻击相对论，因此我想把这
个问题澄清一下。 http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v406/n6793/full/4
06277a0_fs.html
王利军在文章的末尾很不起眼的地方加了一句话，
“It has also been suggested[4, 16] that
the true speed at which information is
carried by a light pulse should be defined
as the "frontal" velocity of a step-function-shaped
signal which has been shown not to exceed c (ref. 4).”
实际上这句话对于正确理解什么是“
