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Calculate the number 3508

NUMBERMANIA: Calculate the number 3508 using numbers [9, 5, 6, 2, 21, 714] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 1

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Christmas sign of the times....

As a little boy climbed onto Santa's lap, Santa asked the usual, "And what would you like for Christmas?" The child stared at him open mouthed and horrified for a minute, then gasped, "Didn't you get my E-mail?"

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Electron

In 1897, at the Royal Institution Friday Evening Discourse, Joseph John Thomson (1856-1940) first announced the existence of electrons (as they are now named). Thomson told his audience that earlier in the year, he had made a surprising discovery. He had found a particle of matter a thousand times smaller than the atom. He called it a corpuscle, meaning "small body." Although Thomson was director of the Cavendish Laboratory at the University of Cambridge, and one of the most respected scientists in Great Britain, the scientists present found the news hard to believe. They thought the atom was the smallest and indivisible part of matter that could exist. Nevertheless, the electron was the first elementary particle to be discovered.

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