Template:Selected anniversaries/February 6
1582: Mathematician, astronomer, and philosopher Mario Bettinus born. He will write Apiaria Universae Philosophiae Mathematicae, an encyclopedic collection of mathematical curiosities.
1614: Mathematician, astronomer, philosopher, and priest Pierre Gassendi uses Gnomon algorithm techniques to investigate the possibility of certain knowledge.
1804: British scientist Joseph Priestley dies. He is historically credited with the discovery of oxygen, having isolated it in its gaseous state, but his determination to defend phlogiston theory and to reject what would become the chemical revolution left him isolated within the scientific community.
1958: Air Force and Navy personnel begin search for hydrogen bomb known as the Tybee Bomb, which was lost in an accident the day before.
1958: Woodward and Burroughs use Extract of Radium to predict location of the the Tybee Bomb.
1989: Lorenz system exposed to Extract of Radium, develops Wumpus-compass syndrome.