phymath999
Sunday, October 13, 2013
gr01 假设你落入视界而未受伤害,你会发现你的尺子变成了钟而你的钟变成了尺子
http://carlossicoli.free.fr/T/Thorne_K.S.-Black_holes_and_time_warps,_Einstein's_outrageous_legacy.pdf
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