自慢いいすか (yh1224)

Race #146

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Official speed 66.67 wpm (48.42 seconds elapsed during race)
Race Start June 29, 2017 1:27:49pm UTC
Race Finish June 29, 2017 1:28:38pm UTC
Outcome Win (1 of 5)
Accuracy 98.0%
Points 0.00
Text #3811410 (Length: 269 characters)

Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory.