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30 janv. 1954 - Charles Townes invented the maser

Description:

Townes successfully tested the first practical maser.

Ajouté au bande de temps:

The Development of Charles Townes

ByLinda Huang
6 déc. 2018

Date:

30 janv. 1954
Maintenaint
~ Il y a 70 ans

Les images:

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