Calculate the number 819
[7340] Calculate the number 819 - NUMBERMANIA: Calculate the number 819 using numbers [8, 5, 2, 8, 40, 649] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 2
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Calculate the number 819

NUMBERMANIA: Calculate the number 819 using numbers [8, 5, 2, 8, 40, 649] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
#brainteasers #math #numbermania
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Dan Naturman: Airplane Movie Safety

Last time I was on JetBlue, there was a dude next to me who looked a little suspicious. I was nervous. He was watching a movie, though; so Im thinking, Would a hijacker watch a movie? Probably not, right?... But you know its a good movie if you land, and hes like, Oh my God, I forgot to hijack the plane.
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Fourdrinier paper-making machine patent

In 1806, a British patent, No 2,951/1806 was dated for Henry Fourdrinier's paper-making machine. The specification gave that "A number of moulds, of the description called laid and wove, are hooked together to form one long mould...A vessel or trough from which the paper stuff or material is caused to flow upon the moulds...A set of cylinders, upon which is passed, in the manner of a jack towel, an endless web of felting. There is a third cylinder...communicates by means of another web of felt with an additional pair of pressing cylinders, whence it proceeds to the second pair,...so that continuing the process, paper of any length may be made..." Improvements were granted a further patent dated 14 Aug 1807.«
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