Alexander Graham Bell's Revolutionary Invention
Show: The Machines That Built AmericaAfter much trial and error, Alexander Graham Bell finally invents the first telephone, which connects the universe in more ways than one.
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Inventions & Science
The Birth of the Internet
On October 29, 1969, Stanford programmer Bill Duvall sent a single-word message—"login"—to UCLA student programmer Charley Kline, 350 miles away. Transmitted between two computers that each filled an entire room, this message marked the first communication between networked computers and is widely regarded as the birth of the internet.