Template:Selected anniversaries/April 25: Difference between revisions

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|link=James Ferguson (nonfiction)|1710: Astronomer, instrument maker, and author [[link=James Ferguson (nonfiction)|James Ferguson]] born.  
|link=James Ferguson (nonfiction)|1710: Astronomer, instrument maker, and author [[link=James Ferguson (nonfiction)|James Ferguson]] born.  


||1744: Anders Celsius dies ... astronomer, physicist, and mathematician. Pic.
File:Anders_Celsius.jpg|link=Anders Celsius (nonfiction)|1744: Astronomer, physicist, and mathematician [[Anders Celsius (nonfiction)|Anders Celsius]] dies. In 1742 he proposed the Celsius temperature scale which today bears his name.


File:Jean-Antoine Nollet.jpg|link=Jean-Antoine Nollet (nonfiction)|1770: Priest and physicist [[Jean-Antoine Nollet (nonfiction)|Jean-Antoine Nollet]] dies. In 1746 he gathered about two hundred monks into a circle about a mile (1.6 km) in circumference, with pieces of iron wire connecting them. He then discharged a battery of Leyden jars through the human chain and observed that each man reacted at substantially the same time to the electric shock, showing that the speed of electricity's propagation was very high.
File:Jean-Antoine Nollet.jpg|link=Jean-Antoine Nollet (nonfiction)|1770: Priest and physicist [[Jean-Antoine Nollet (nonfiction)|Jean-Antoine Nollet]] dies. In 1746 he gathered about two hundred monks into a circle about a mile (1.6 km) in circumference, with pieces of iron wire connecting them. He then discharged a battery of Leyden jars through the human chain and observed that each man reacted at substantially the same time to the electric shock, showing that the speed of electricity's propagation was very high.

Revision as of 14:20, 27 November 2019