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

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.

 

 

所有跟帖： 

• 爱因斯坦说：世界是如何测量的，它就有多大。所以必须是“可以测量的”。我起码到了老爱的time吧。。。 -FarewellDonkey18- ♂ (0 bytes) () 10/22/2019 postreply 17:26:34