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31 Aug 1821 Jahr - Гельмгольц

Beschreibung:

Внес вклад в развитие акустики и медицины, химии и физики. Так например, он открыл закон сохранения энергии, построил модель уха, изобрел офтальмоскоп.

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ByЕфим
2 Dez 2018
2
0
782

Datum:

31 Aug 1821 Jahr
Jetzt
~ 202 years ago

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