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29 lugl 1927 anni - A.A. Michaelson makes most accurate measure of speed of light

Descrizione:

2.990 +/- .0002 x 10^8 m/s | [real is about 3x10^8 m/s] | Based on revolving mirrors at the tops of two California mountains

Aggiunto al nastro di tempo:

AP US History

ByZoe
10 mag 2018

Data:

29 lugl 1927 anni
Adesso
~ 96 years ago
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