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On This Day
America250
— 250 years since 1776. Explore two and a half centuries of American history.
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Technology
Technology
14 entries
All Technology (A–Z)
A–Z
By date
A
C
E
F
I
M
N
R
S
T
A
ARPANET and the Birth of the Internet
The Cold War research network that grew into a global communications system
The Automobile
How the car became the machine that reshaped American life
C
The Cotton Gin
The 1793 invention that mechanized cotton — and entrenched slavery
E
Edison's Incandescent Light Bulb
The 1879 Menlo Park demonstration that ended the gaslight era
F
The Ford Model T
The car — and the assembly line — that put America on wheels
I
The Internet
The network that gave everyone a printing press — and remade media
M
The Moving Assembly Line
The 1913 innovation that made mass production — and the modern economy
N
Nuclear Weapons
The weapon that redefined war, power, and the survival of nations
R
Radio
The medium that first brought live voices into the American home
S
Salk Polio Vaccine
The 1955 vaccine that ended summer polio epidemics — and the doctor who refused to patent it
T
The Telegraph
How Morse code severed the link between communication and travel
The Telephone
The 1876 invention that let the human voice travel across the wire
Television
The screen that became the center of American life
The Transistor
The tiny 1947 device that made the digital age possible