Template:Selected anniversaries/February 12: Difference between revisions
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File:Abd al-Rahman al-Sufi.jpg|link=Abd al-Rahman al-Sufi (nonfiction)|932: Astronomer [[Abd al-Rahman al-Sufi (nonfiction)|Abd al-Rahman al-Sufi]] uses [[scrying engine]] to preview invention of [[Neon lighting (nonfiction)|neon lighting]]. | File:Abd al-Rahman al-Sufi.jpg|link=Abd al-Rahman al-Sufi (nonfiction)|932: Astronomer [[Abd al-Rahman al-Sufi (nonfiction)|Abd al-Rahman al-Sufi]] uses [[scrying engine]] to preview invention of [[Neon lighting (nonfiction)|neon lighting]]. | ||
File: | File:Moses Gomberg.jpg|link=Moses Gomberg (nonfiction)|1947: Chemist [[Moses Gomberg (nonfiction)|Moses Gomberg]] dies. He identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry. | ||
File:Cherenkov high-energy literature test reactor.jpg|link=High-energy literature|1983: [[High-energy literature]] research improves legibility of [[Neon lighting (nonfiction)|neon signs]]. | File:Cherenkov high-energy literature test reactor.jpg|link=High-energy literature|1983: [[High-energy literature]] research improves legibility of [[Neon lighting (nonfiction)|neon signs]]. | ||
File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|2016: [[Tunguska Event Preservation Society]] pledge drive day. | File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|2016: [[Tunguska Event Preservation Society]] pledge drive day. | ||
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Revision as of 18:47, 28 January 2017
932: Astronomer Abd al-Rahman al-Sufi uses scrying engine to preview invention of neon lighting.
1947: Chemist Moses Gomberg dies. He identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.
1983: High-energy literature research improves legibility of neon signs.
2016: Tunguska Event Preservation Society pledge drive day.