In 1889, Kansas undertaker Almon B. Strowger wanted to prevent telephone operators from advising his rivals of the death of local citizens. So he invented the automatic exchange.

Joseph Niepce developed the world’s first photographic image in 1827.

The first vending machine was invented by Hero of Alexandria around 215 BC. When a coin was dropped into a slot, its weight would pull a cork out of a spigot and the machine would dispense a trickle of water.

Optical fiber was invented in 1966 by two British scientists called Charles Kao and George Hockham working for the British company Standard Telecommunication.

The very first projection of an image on a screen was made by a German priest. In 1646, Athanasius Kircher used a candle or oil lamp to project hand-painted images onto a white screen.

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