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1 gen 1920 anni - Albert A. Michelson's Measurements

Descrizione:

Michelson placed two mirrors on top of two mountains (in California) and measured the distance between the two mirrors (35.4 km). He sent a light beam from one mirror to the other. Using accurate timing devices, he carefully calculated the speed of light in the Earth's atmosphere which is 299 798 km/s.

Aggiunto al nastro di tempo:

Gr. 8 Science Unit C Section 1.0 Timeline

ByApril Santos
5 nov 2018
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Data:

1 gen 1920 anni
Adesso
~ 105 years ago
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