Template:Selected anniversaries/April 18: Difference between revisions

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|File:Maria Gaetana Agnesi engraving.jpg|link=Maria Gaetana Agnesi (nonfiction)|1761: Mathematician [[Maria Gaetana Agnesi (nonfiction)|Maria Gaetana Agnesi]] invents new type of [[scrying engine]] which detects [[crimes against mathematical constants]].
|File:Maria Gaetana Agnesi engraving.jpg|link=Maria Gaetana Agnesi (nonfiction)|1761: Mathematician [[Maria Gaetana Agnesi (nonfiction)|Maria Gaetana Agnesi]] invents new type of [[scrying engine]] which detects [[crimes against mathematical constants]].
||Dr William Nicol (b. 18 April 1770) was a Scottish geologist and physicist who invented the Nicol prism, the first device for obtaining plane-polarized light, in 1828. Pic: memorial plaque.


File:Johan Carl Wilcke.jpg|link=Johan Wilcke (nonfiction)|1796: Physicist [[Johan Wilcke (nonfiction)|Johan Carl Wilcke]] dies. He invented the electrophorus, and calculated the latent heat of ice.
File:Johan Carl Wilcke.jpg|link=Johan Wilcke (nonfiction)|1796: Physicist [[Johan Wilcke (nonfiction)|Johan Carl Wilcke]] dies. He invented the electrophorus, and calculated the latent heat of ice.

Revision as of 20:54, 13 May 2018