Calculate the number 1998
[1460] Calculate the number 1998 - NUMBERMANIA: Calculate the number 1998 using numbers [7, 9, 3, 8, 42, 474] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Sanja Šabović
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Calculate the number 1998

NUMBERMANIA: Calculate the number 1998 using numbers [7, 9, 3, 8, 42, 474] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Spanish Fly

A guy offers to buy a drink for an attractive young woman seated at a bar.
She gives him the green light, so he goes to the end of the bar and whispers to the bartender to make up a Martini for her and to put some Spanish-fly in the drink.
The bartender whispers back to say he's all out of Spanish-fly and all he has left is Jewish-fly.
Shrugging his shoulders, the guy says, OK, put some of that in her drink.
As she sips on the drink, she gets more and more cozy, really warming up to the guy.
Finally, she finishes the drink, leans over and whispers in his ear. 'Let's go shopping.'

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Optical pulsar identified

In 1969, an optical pulsar was identified for the first time by University of Arizona astronomers led by John Cocke and Michael Disney at the Steward Observatory. It was discovered in the Crab Nebula. Fourteen months before, the first type of pulsar to be discovered was in the radio spectrum and was detected on 28 Nov 1967 by Jocelyn Bell, a graduate student of Anthony Hewish. Most pulsars emit regular pulses of radio waves, some up to 1,000 pulses per second,. They are believed to be neutron stars with exceedingly rapid spin. Optical pulsarsflash at a similar rate, which is too fast for the eye to perceive. The Arizona astronomers used a stroboscopic technique to look at a known radio spectrum pulsar, at a time when an optical pulsar was only a theoretical question. Only a handful have been found since.«
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