Calculate the number 2641
[3757] Calculate the number 2641 - NUMBERMANIA: Calculate the number 2641 using numbers [8, 7, 2, 3, 95, 399] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Thinh Ddh
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Calculate the number 2641

NUMBERMANIA: Calculate the number 2641 using numbers [8, 7, 2, 3, 95, 399] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Thinh Ddh.
#brainteasers #math #numbermania
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Little voices

A guy goes into a bar and orders a beer. As he takes a sip of his beer, he hears a tiny little voice say: "Nice tie." He looks around but sees no one. He take another sip of his beer and hears: "A nice shirt, too." Again he looks around and sees no one.

He signals the bartender over, and hesitantly explains that he's hearing voices talking to him... "Of course," smiles the bartender. "It's the peanuts -- they're complimentary."

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First refracting telescope

In 1608, Johannes Lippershey (c.1570-c.1619) demonstrated a new invention, the first optical (refracting) telescope - prototype of the modern telescopes - to the Netherlands States General. Lippershey was a lens grinder who furnished spectables. An apprentice discovered that - by separating both a long-focus lens and a short-focus lens in front of the eye - distant objects appeared closer. Lippershey mounted lenses in tubes, applied for a patent in 1608, and also offered them for sale to the Dutch government, which appreciated their military value. When Galileo heard of the device, he made a similar arrangement and used it to study the heavens. It was named a "telescope" by a guest at an outdoor banquet 14 Apr 1611 honouring Galileo, where he demonstrated it to the assembly.«
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