Fax machine invented in 1843, 33 years before the telephone
Fax
Fax machine invented in 1843, 33 years before the telephone
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Universal Turing machine
Alan Turing introduced the Turing machine in 1936
Printing press
Gutenberg invented the movable-type printing press around 1440
Alarm clock
Levi Hutchins invented the first alarm clock in 1787, ringing only at 4 AM
Colossus computer
Colossus, 1943: first programmable computer to decrypt Nazi codes
Hedy Lamarr
Hedy Lamarr co-invented frequency hopping technology
Software bug
First computer bug: A moth in Harvard Mark II, 1947
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