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Radio Waves

Radio Waves

C004/7178

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31.6 MB (973.5 KB compressed)

6033 x 1832 pixels

51.1 x 15.5 cm ⏐ 20.1 x 6.1 in (300dpi)

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Credit

NYPL / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY NYPL / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY

Caption

An historical illustration of radio waves. Heinrich Rudolf Hertz (1857-1894) discovered radio waves in 1886-1889. He used Maxwell's theories to construct an oscillating electrical circuit with a spark gap. With such a circuit, Maxwell had predicted that electromagnetic radiation would be produced. Hertz showed this to be correct, and devised a loop antenna to detect the waves. He was also able to show that these waves travelled at the speed of light.

Release details

Model release not required. Property release not required.

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