Google celebrates the 155th birthday of Heinrich Hertz with an animated logo.
Top 5 facts about Heinrich Hertz:
1. He was born on February 22, 1857.
2. Hertz was a German physicist.
3. He clarified and expanded the electromagnetic theory of light that had been put forth by James Clerk Maxwell. He was the first to conclusively prove the existence of electromagnetic waves by engineering instruments to transmit and receive radio pulses using experimental procedures that ruled out all other known wireless phenomena.
4. The scientific unit of frequency—one cycle per second—was named the "hertz" in his honor.
5. Hertz died on January 1, 1894.
Three YouTube videos about Hertz:
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