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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.
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Pages in category "Products introduced in 1974" The following 24 pages are in ...
This corresponded with the introduction of new semiconductor masking systems, notably the Micralign system from Perkin-Elmer. Micralign projected an image of the mask onto the silicon wafer, never touching it directly, which eliminated the previous problems when the mask would be lifted off the surface and take away some of the photoresist ...
Therefore, it is important to keep and maintain records that help establish who is first to invent a particular invention. The inventor's notebook (also called a journal, lab book or log book) is a systematic device for recording all information related to an invention in such a way that it can be used to develop a case during a patent ...
1974: The J/ψ meson was independently discovered by a group at the Stanford Linear Accelerator Center, headed by Burton Richter, and by a group at Brookhaven National Laboratory, headed by Samuel Ting of MIT. Both announced their discoveries on 11 November 1974. For their shared discovery, Richter and Ting shared the 1976 Nobel Prize in Physics.
Download as PDF; Printable version; ... To avoid overlap with timeline of historic inventions, ... 1974: Russell Alan Hulse ...
Post-it Notes were released to the national market in 1980. In 1981, 3M named Post-it Notes its Outstanding New Product. In 1980 and 1981, the Post-it Note team received 3M's Golden Step Award, given to teams who create major new products that are significantly profitable. 3M named Fry a corporate researcher in 1986. He is also a member of 3M's ...
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