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February 8 – After 84 days in space, the last crew of the temporary American space station Skylab return to Earth.; February 13–15 – Sagittarius A*, thought to be the location of a supermassive black hole, is identified by Bruce Balick and Robert Brown using the baseline interferometer of the United States National Radio Astronomy Observatory.
May 5 – Itaipu Dam in South America begins to generate hydroelectricity. July 21 – In Jackson, Michigan, a factory robot crushes a worker against a safety bar in apparently the first robot-related death in the United States.
1974: The lithium-ion battery is invented by M. Stanley Whittingham, and further developed in the 1980s and 1990s by John B. Goodenough, Rachid Yazami and Akira Yoshino. It has impacted modern consumer electronics and electric vehicles. [508] 1974: The Rubik's cube is invented by Ernő Rubik which went on to be the best selling puzzle ever. [509]
The 24-year-old from Brooklyn was the first to use a new technology called digitalization to capture images. Four decades later, we carry his invention in our pockets on our phones. Courtesy of ...
1974 – Black hole radiation (Hawking radiation) predicted; 1974 – Charmed quark discovered; 1975 – Tau lepton found; 1975 – Abraham Pais and Sam Treiman: Introduction of the Standard Model of particle physics term; 1977 – Bottom quark found; 1977 – Anderson localization recognised (Nobel prize in 1977, Philip W. Anderson, Mott, Van ...
In 1641, the first patent in North America was issued to Samuel Winslow by the General Court of Massachusetts for a new method of making salt. [ 1 ] [ 2 ] [ 3 ] On April 10, 1790, President George Washington signed the Patent Act of 1790 (1 Stat. 109) into law which proclaimed that patents were to be authorized for "any useful art, manufacture ...
An AI-powered toilet seat has been named by Time Magazine as one of the top 200 inventions of 2024. It optically scans a user’s stool and urine, to detect any concerning changes that might ...
This invention -- Eli Whitney received a patent for his cotton gin on March 14, 1794. For the first time, American plantation owners would be able to harvest large amounts of cotton profitably.