Reels tagged #communication
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Inventions
Radio's first broadcasts crossed an ocean in dots
Marconi sent the letter S across the Atlantic by wireless in 1901, a distance many physicists insisted was impossible because radio waves should travel in straight lines.
Inventions
The telegraph shrank a message from weeks to minutes
Before 1844 news crossed continents at the speed of a horse or ship. Morse's telegraph made distance almost irrelevant for information.