Tech & Science · 1947
Dawn of the Transistor and Supersonic Flight
The year 1947 marked the dawn of the atomic and information ages, characterized by groundbreaking achievements in physics, computing, and aerospace. Post-war innovation flourished as scientists pushed beyond sound barriers and laid the physical foundations for modern microelectronics.
- December 1947 | Physics | USA
Point-Contact Transistor
John Bardeen, Walter Brattain, and William Shockley created the first working transistor at Bell Labs, revolutionizing modern electronics.
- October 14, 1947 | Aviation | USA
Bell X-1 Supersonic Flight
Captain Chuck Yeager piloted the rocket-powered Bell X-1 to become the first human to officially break the sound barrier in level flight.
- 1947 | Physics | United Kingdom
Invention of Holography
Hungarian-British physicist Dennis Gabor invented holography while attempting to improve the resolution of electron microscopes.
- February 20, 1947 | Space | USA
First Animals in Space
Fruit flies aboard a US-launched German V-2 rocket became the first living organisms intentionally sent into space to study radiation exposure.
- February 21, 1947 | Photography | USA
Polaroid Instant Land Camera
Edwin Land demonstrated the first instant camera to the Optical Society of America, producing a finished photographic print in 60 seconds.
- September 9, 1947 | Computing | USA
First Computer Bug Recorded
Engineers on the Harvard Mark II computer taped a moth to their logbook, popularizing the term 'computer bug' for a technical malfunction.
- 1947 | Chemistry | USA
Radiocarbon Dating
Willard Libby developed radiocarbon dating at the University of Chicago, creating a revolutionary method for determining the age of organic materials.
- 1947 | Military Tech | USSR
AK-47 Rifle Completed
Mikhail Kalashnikov finalized the design for the AK-47, an exceptionally durable gas-operated assault rifle that became a landmark in arms engineering.
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