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Landau special relativity The principle of invariance of the speed of light principle of relativity Einstein
02-25
special relativity physics Zhang Yuanzhong The principle of invariance of the speed of light
02-23
![What "hands and feet" did Landau do to the special theory of relativity?[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
