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Find number abc

If 54c18 - 18b1c = b5a06 find number abc. Multiple solutions may exist.

Correct answers: 27

The first user who solved this task is Nasrin 24 T.

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40 year curse

An old man goes to the Wizard to ask him if he can remove a curse he has been living with for the last 40 years.

The Wizard says: "Maybe, but you will have to tell me the exact words that were used to put the curse on you.

The old man says without hesitation: "I now pronounce you man and wife."

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Maria Telkes

Died 2 Dec 1995 at age 94 (born 12 Dec 1900).Hungarian-American physical chemist who pioneered in the application of solar energy to water distillation and home heating. She immigrated to the U.S. in 1925, worked as a biophysicist (1926-37), and naturalized in 1937. As a civilian adviser to the U.S. Office of Scientific Research and Development during WW II, she worked out a solar heated water distillation system to make sea water potable. In the late 1940's, she designed a system of chemical storage of solar energy for the first solar-heated house, a project of MIT constructed t in Dover, Massachusetts. She developed a solar-powered stove, and in the 1970s, experimented with an air-conditioning system that stored cool night air for use during the heat of the next day.

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