I play tetris too (hkgwife)

Race #11615

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Official speed 152.95 wpm (21.10 seconds elapsed during race)
Race Start April 20, 2018 3:25:48pm UTC
Race Finish April 20, 2018 3:26:09pm UTC
Outcome Win (1 of 3)
Opponents 2. lithox2 (130.23 wpm)
Accuracy 100.0%
Points 124.91
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.