真东西必须有点具体尺寸 - You still live in Newton's time, or even before

来源: 中间小谢 于 2019-10-22 16:23:44 [] [旧帖] [给我悄悄话] 阅读数 : (366 bytes)

John Wheeler: As physics advances, more fundamental quantities become approximations, "time" included eventually. (These may not be his exact words since I read them arround 3 years back, but the message is clear.)

Modern physics tend to "blur" things up in a subtle manner.

 

 

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