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sara ghorbani

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MATH PUZZLE: Can you replace the question mark with a number?
Look at the picture, determine the pattern and replace the question mark with a number.
MATH PUZZLE: Can you replace the question mark with a number?

Leo Szilard

Died 30 May 1964 at age 66 (born 11 Feb 1898). Hungarian-American physicist who, with Enrico Fermi, designed the first nuclear reactor that sustained nuclear chain reaction (2 Dec 1942). In 1933, Szilard had left Nazi Germany for England. The same year he conceived the neutron chain reaction. Moving to N.Y. City in 1938, he conducted fission experiments at Columbia University. Aware of the danger of nuclear fission in the hands of the German government, he persuaded Albert Einstein to write to President Roosevelt, urging him to commission American development of atomic weapons. In 1943, Major General Leslie Groves, leader of the Manhattan Project designing the atomic bomb, forced Szilard to sell his atomic energy patent rights to the U.S. government.

Why?

Boy: Mom, why am I black and you are white?
Mom: Listen Son, considering all the crazy things I did years ago, you should be thankful that you are not barking!!!
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