Daily Archives: November 26, 2017

Charles Martin Hall — December 6 is Charles Martin Hall’s birthday. Hall was an American chemist who discovered a method to extract aluminum from alumina (aluminum oxide). Hall used electric current to separate the aluminum metal. Before this process, aluminum was difficult to isolate as a metal. The cost of pure aluminum metal was […]

Today In Science History – December 6 – Aluminum or ... Recently updated !

This entry was posted on November 26, 2017 by Todd Helmenstine (updated on August 15, 2026)

Werner Heisenberg — December 5 is Werner Heisenberg’s birthday. Heisenberg was a German physicist who is best known for the uncertainty principle of quantum mechanics. The uncertainty principle is one of the main differences between the study of classical mechanics and quantum mechanics. In classical mechanics, a physical quantity can be simultaneously assigned […]

Today In Science History – December 5 – Heisenberg Uncertainty ...

This entry was posted on November 26, 2017 by Todd Helmenstine (updated on July 28, 2026)

Luigi Galvani — December 4 marks the passing of Luigi Galvani. Galvani was an Italian physician who first identified electrical activity in living tissue. Towards the end of the 18th Century, one of the newest and cutting-edge scientific fields of study was electricity. Galvani acquired his own electrostatic machine to generate static electricity […]

Today In Science History – December 4 – Luigi Galvani Recently updated !

This entry was posted on November 26, 2017 by Todd Helmenstine (updated on August 15, 2026)