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21 de mai. de 2024 · German physicist Heinrich Hertz first demonstrated the existence of radio waves in 1887 using what we now know as a dipole antenna (with capacitative end-loading).
Há 6 dias · In 1887, the German physicist Heinrich Hertz in a series of experiments proved the actual existence of electromagnetic waves, showing that transverse free space electromagnetic waves can travel over some distance as predicted by Maxwell and Faraday.
Há 2 dias · In the summer of 1889, Tesla traveled to the 1889 Exposition Universelle in Paris and learned of Heinrich Hertz's 1886–1888 experiments that proved the existence of electromagnetic radiation, including radio waves. Tesla found this new discovery "refreshing" and decided to explore it more fully.
Há 1 dia · Christian Johann Heinrich Heine (* 13. Dezember 1797 als Harry Heine in Düsseldorf, Herzogtum Berg; † 17. Februar 1856 in Paris) war einer der bedeutendsten deutschen Dichter, Schriftsteller und Journalisten des 19. Jahrhunderts.
HotHorst. OP • 16 min. ago. https://en.m.wikipedia.org/wiki/Heinrich_Hertz. 12K subscribers in the philately community. A place to discuss stamps and postal history with fellow collectors. Looking for further philatelic…
Há 3 dias · Heinrich Hertz wies an der TH Karlsruhe die Existenz elektromagnetischer Wellen experimentell nach. 6 Nobelpreisträger haben an den Vorgängerorganisationen – namentlich der TH Karlsruhe bzw. der Universität Karlsruhe – studiert, gelehrt oder geforscht:
13 de mai. de 2024 · Usually, frequency is expressed in the hertz unit, named in honour of the 19th-century German physicist Heinrich Rudolf Hertz, one hertz being equal to one cycle per second, abbreviated Hz; one kilohertz (kHz) is 1,000 Hz, and one megahertz (MHz) is 1,000,000 Hz.
