atomic bombs dropped on Hiroshima and Nagasaki
rise in public television broadcasting
transistor developed by Bell Labs as the first alternative to the vacuum tube
Wiesner with Dr. Y.W. Lee invents auto-correlator, a device used to decrease radar and radio noise
Soviets test an atomic bomb
North Korea invades South Korea
UNIVAC I, the first commercial computer, is delivered to the U.S. Bureau of the Census
1945 1946 1947 1948 1949 1950 1951
ENIAC, the first electronic digital computer is developed
radio reaches 85% penetration in the U.S.
RCA markets ten-inch-screen television sets for $375, making the first big commercial receiver success
Sony of Japan purchases rights to the transistor as Japanese companies begin a transformation of household electronics through product design
work on tape recorders and players, dynaural noise suppressors, amplifiers, new speeds, marks the beginning of the high fidelity era in recorded music
Polaroid Camera developed
Columbia introduces 33-1/3 rpm, long-playing disks
Norbert Wiener, Cybernetics
National Science Foundation (U.S.) is established