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I am worthless, yet when add...

I am worthless, yet when added to others I add worth. I confounded the ancient Greeks, yet I changed men's understanding. What am I?

Correct answers: 65

The first user who solved this task is Allen Wager.

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Hemingway was fascinated by ag...

Hemingway was fascinated by aging popes. That why he wrote Old Man in the See.

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Arthur Cayley

Died 26 Jan 1895 at age 73 (born 16 Aug 1821). English mathematician who played a leading role in founding the modern British school of pure mathematics. He trained first as a lawyer, and from 1849, spent 14 years at the bar, during which time he maintained an interest in mathematics and published about 250 mathematical papers. In 1863, Cayley followed his passion and commenced a new career as professor of Pure Mathematics at Cambridge and during his tenure published 900 papers and notes covering nearly every aspect of modern mathematics. The legacy of his work in n-dimensional geometry was later applied in physics to the study of the space-time continuum. His work on matrices served as a foundation for quantum mechanics developed by Werner Heisenberg in 1925.«

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