Wait a second: How did I not know that before the internet, 'online' actually meant 'offline'?

"The term 'online' originally meant 'immediately available on a computer," Chen wrote, explaining why Windows 3.0 (which was ...

A space historian explores how the advent of radio astronomy led to the USSR's search for extraterrestrial life

As humans began to explore outer space in the latter half of the 20th century, radio waves proved a powerful tool. Scientists could send out radio waves to communicate with satellites, rockets and ...

SETI’s ‘Noah’s Ark’ – a space historian explores how the advent of radio astronomy led to the USSR’s search for extraterrestrial life

Radio astronomy opened up the universe for scientists. They could map new elements across galaxies and also search for ...
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Ancient Greeks invented 'hydraulic telegraph' 15 centuries before Morse code

The first hydraulic telegraph was invented in the fourth century B.C.E. by a Hellenistic writer on the art of war, named ...