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6 gen 1941 anni - Horn Reflector Invented

Descrizione:

The Holmdel Horn Antenna was invented in 1941 by Alfred C. Beck and Harald T. Friis. It was used to locate measurements of low levels of weak background radiation.

Aggiunto al nastro di tempo:

Big Bang Theory Timeline

ByKaden Kemp
6 gen 2020

Data:

6 gen 1941 anni
Adesso
~ 83 years ago
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