Amazing fact about the invention of the lighter
The cigarette lighter was invented before the match.
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- Who proved radio waves exist?
“German physicist Heinrich Hertz proved that radio waves exist in the late 1880s, and the unit of frequency, the hertz, is named after him.”
Reference: Encyclopaedia Britannica
More facts about radio.
More radio facts
What's on channel 1?
In the 1940s, the FCC assigned television's Channel 1 to Mobile Services (two-way radios in
taxicabs, for instance) but did not re-number the other channel assignments. That's why your TV
set has channels 2 and up, but no channel 1.
Who invented pasteurization?
French scientist Louis Pasteur developed pasteurization in the 1860s, which kills harmful microbes by heating liquids like milk and wine.