Calculate the number 3909
[4423] Calculate the number 3909 - NUMBERMANIA: Calculate the number 3909 using numbers [1, 3, 5, 6, 12, 273] 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 Manguexa Wagle
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Calculate the number 3909

NUMBERMANIA: Calculate the number 3909 using numbers [1, 3, 5, 6, 12, 273] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Manguexa Wagle.
#brainteasers #math #numbermania
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Wifi password

Me: What's the wifi password?

Bartender: You need to buy a drink first.

Me: Okay, I'll have a coke.

Bartender: Is Pepsi okay?

Me: Sure. How much is that?

Bartender: $3.

Me: There you go. So what's the wifi password?

Bartender: "You need to buy a drink first". No spaces, all lowercase.

Author:ShaidarHaran2

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Pulsar discovery

In 1967, the first pulsating radio source (pulsar) was detected by an alert graduate student, Jocelyn Bell, then working under the direction of Prof. Anthony Hewish at the Mullard Radio Astronomy Observatory, Cambridge, England. A special radio telescope was used, with 2,048 antennae arrayed across 4.4 acres. By 13 Nov 1998, one thousand had been found. The pulsing of the radiation has clock-like precision , up to 1,000 times per second. A pulsar is believed to be a neutron star with exceedingly rapid spin. Rotational periods range from 1.57 milliseconds to 5.1 sec. Pulsars prompted studies of quantum-degenerate fluids, relativistic gravity and interstellar magnetic fields. Similar behaviour of a star flashing in the optical spectrum was detected on 18 Jan 1968.Optical pulsars remain very rare.«
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