Ernst Ruhmer (nonfiction): Difference between revisions

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[[|thumb|Ruhmer listening at one station to his "photo-electric" optical telephone system (1905).]]'''Ernst Walter Ruhmer''' (April 15, 1878—April 8, 1913) was a German physicist. He was best known for investigating practical applications making use of the light-sensitivity properties of selenium, which he employed in developing wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.
[[File:Ernst_Ruhmer,_Technical_World_cover_(1905).jpg|thumb|Ruhmer listening at one station to his "photo-electric" optical telephone system (1905).]]'''Ernst Walter Ruhmer''' (15 April 1878 — 8 April 1913) was a German physicist. He was best known for investigating practical applications making use of the light-sensitivity properties of [[Selenium (nonfiction)|selenium]], which he employed in developing wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.


== In the News ==
== In the News ==
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* [[Crimes against physical constants]]
* [[Crimes against physical constants]]
* [[Gnomon algorithm]]
* [[Gnomon algorithm]]
* [[Mathematics]]
* [[Gnomon Chronicles]]


== Nonfiction cross-reference ==
== Nonfiction cross-reference ==


* [[Physicist (nonfiction)]]
* [[Physicist (nonfiction)]]
* [[Physics (nonfiction)]]
* [[Selenium (nonfiction)]]


External links:
== External links ==


* [https://en.wikipedia.org/wiki/Ernst_Ruhmer Ernst Ruhmer] @ Wikipedia
* [https://en.wikipedia.org/wiki/Ernst_Ruhmer Ernst Ruhmer] @ Wikipedia


Attribution:


[[Category:Nonfiction (nonfiction)]]
[[Category:Nonfiction (nonfiction)]]

Latest revision as of 07:17, 4 December 2020

Ruhmer listening at one station to his "photo-electric" optical telephone system (1905).

Ernst Walter Ruhmer (15 April 1878 — 8 April 1913) was a German physicist. He was best known for investigating practical applications making use of the light-sensitivity properties of selenium, which he employed in developing wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.

In the News

Fiction cross-reference

Nonfiction cross-reference

External links