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Hertz electromagnetic wave experiments

Ciro Santilli (@cirosantilli, 37) ... Information technology Telecommunication Telecommunication system Wireless Radio History of radio
Updated 2025-07-16  0 By others on same topic  0 Discussions Create my own version
en.wikipedia.org/wiki/Heinrich_Hertz#Electromagnetic_waves
Heinrich Hertz's main initial experiment used a spark-gap transmitter. It is not something that transmits recorded sounds like voice: it only transmits noisy beeps. And as such was used for wireless telegraphy.
Video 1.
Hertz Experiment on Electromagnetic Waves by Ludic Science (2015)
Source. Simplified recreation with cheap modern equipment. Uses as transmitter power source both:
  • a piezo igniter from a barbequeue lighter
  • a more powerful home-made transformer
and the signal is observed on the receiver with a neon lamp
Video 2.
Hertz and Radio waves Explained by PhysicsHigh (2016)
Source. Simple schematics showing the basics of the experiments. No choice of components rationale.

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