Calculate the number 1941
[7768] Calculate the number 1941 - NUMBERMANIA: Calculate the number 1941 using numbers [8, 3, 6, 6, 40, 577] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 1941

NUMBERMANIA: Calculate the number 1941 using numbers [8, 3, 6, 6, 40, 577] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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Aoccdrnig to a rscheearch at a...

Aoccdrnig to a rscheearch at an Elingsh uinervtisy, it deosn't mttaer inwaht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht thefrist and lsat ltteer is at the rghit pclae. The rset can be a toatl msesand you can sitll raed it wouthit porbelm. Tihs is bcuseae we do not raedervey lteter by it slef but the wrod as a wlohe.
Preosllnay I tinhk its cmolpete nenosnese......
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Three element vacuum tube

In 1907, the three-element vacuum tube was issued a U.S. patent to its inventor, Dr Lee de Forest as a “device for amplifying feeble electric currents - such, for example, as telephone currents” (No. 841,387). The tube was evacuated, with some remaining conducting gas molecules, and it was suggested using for the heated electrode such material as platinum, tantalum or carbon. He had made a public annoucement of his device a few months earlier, on 20 Oct 1906 at a meeting of the American Institute of Electrical Engineers held in New York City. On 18 Feb 1908, he received another patent for the grid electrode tube (No. 879,532).
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