October 31

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Better Than News

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 Fiction and Nonfiction

Topic of the Day

Horror