October 31: Difference between revisions
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'''Are You Sure ...''' | |||
{{Are_You_Sure/October 31}} | |||
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'''On This Day in History and Fiction''' | |||
{{Selected anniversaries/October 31}} | {{Selected anniversaries/October 31}} | ||
Revision as of 06:06, 20 October 2020
Are You Sure ...
• ... that physicist and electrical engineer Galileo Ferraris was a pioneer of AC power systems, and inventor of the induction motor?
• ... that mathematician Karl Weierstrass formalized the definition of the continuity of a function, proved the intermediate value theorem and the Bolzano–Weierstrass theorem, and used the latter to study the properties of continuous functions on closed bounded intervals?
On This Day in History and Fiction
1815: Mathematician and academic Karl Weierstrass born. He will be cited as the "father of modern analysis".
1847: Physicist and electrical engineer Galileo Ferraris born. He will be a pioneer of AC power systems, and inventor of the induction motor.
1926: Magician and stuntman Harry Houdini dies. Houdini's grand illusions and daring, spectacular escape acts made him one of the most famous magicians of all time.
2009: Karl "Werewolf" Jones hosts "the greatest Halloween party ever."
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