Hertz Demonstrated This in 1886

This page is the CodyCross answer for the clue below from Inventions, Group 45, Puzzle 5.

Question

Hertz Demonstrated This in 1886

Answer

RADIOWAVE

Word Meaning:

RADIO WAVE — (physics) Electromagnetic radiation having a wavelength between about .5 centimeters and 30,000 meters; used for the broadcasting of radio and television signals.

Definitions from Wiktionary.

Hertz demonstrated this in 1886 Inventions Answers