Calculate the number 631
[7723] Calculate the number 631 - NUMBERMANIA: Calculate the number 631 using numbers [1, 4, 8, 8, 83, 323] 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 631

NUMBERMANIA: Calculate the number 631 using numbers [1, 4, 8, 8, 83, 323] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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An engineer was crossing a roa...

An engineer was crossing a road one day when a frog called out to him and said, "If you kiss me, I'll turn into a beautiful princess."He bent over, picked up the frog and put it in his pocket.
The frog spoke up again and said, "If you kiss me and turn me back into a beautiful princess, I will stay with you for one week."
The engineer took the frog out of his pocket, smiled at it and returned it to the pocket.
The frog then cried out, "If you kiss me and turn me back into a princess, I'll stay with you and do ANYTHING you want."
Again the engineer took the frog out, smiled at it and put it back into his pocket.
Finally, the frog asked, "What is the matter? I've told you I'm a beautiful princess, that I'll stay with you for a week and do anything you want. Why won't you kiss me?"
The engineer said, "Look I'm an engineer.
I don't have time for a girlfriend, but a talking frog, now that's cool."
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Early radio demonstration hacked

In 1903, a demonstration of the Marconi radio communications system at the Royal Institution, London, was hacked by Nevil Maskelyne. Physicist John Ambrose Fleming was lecturing to give the public their first demonstration of wireless communication. Italian radio pioneer Guglielmo Marconi was at his clifftop radio station in Poldhu, Cornwall, 300 miles away, preparing to send a Morse code signal. Though the audience was unaware of it, the assistant tending the receiving apparatus found it was already tapping out the word “Rats,” repeatedly. Then it mocked, “There was a young fellow of Italy, who diddled the public quite prettily...” and more. An adversary, music hall magician Neville Maskelyne was interrupting using a transmitter in a nearby hall, to make the point of security flaws in radio messaging.«[Ref: Paul Marks, 'Dot-Dash-Diss', New Scientist, 27 Dec 2011.]
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