Calculate the number 1311
[4112] Calculate the number 1311 - NUMBERMANIA: Calculate the number 1311 using numbers [2, 7, 5, 2, 55, 526] 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 Djordje Timotijevic
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Calculate the number 1311

NUMBERMANIA: Calculate the number 1311 using numbers [2, 7, 5, 2, 55, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Bastille Day Joke

14 July is Bastille Day! Have fun with this very Bastille Day joke!

It's the time of the French Revolution and they’re doing their usual daily beheadings.
Today they’re leading a priest, a prostitute, and an engineer up to the guillotine.
They ask the priest if he wants to be face up or face down when he meets his fate.
The priest says that he would like to be face up so he will be looking toward heaven when he dies. They raise the blade of the guillotine and release it, it comes speeding down and suddenly stops just inches from his neck. Being devoutly religious, they Take this as divine intervention and release the priest.
Next, the prostitute comes to the guillotine. She also decides to die face up hoping that she will be as fortunate as the priest. They raise the blade of the guillotine, and release it, it comes speeding down and suddenly stops just inches from her neck. So they release the prostitute as well.
The engineer is next. He too decides to die facing up. They raise the blade of the guillotine and suddenly the engineer cries out:
"Hey, I see what your problem is!"

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First stainless steel cast

In 1913, the first true stainless steel was cast in Sheffield, England. It was a steel alloy that contained 0.24% carbon and 12.8% chromium. English metallurgist, Harry Brearley was developing a more erosion-resistant steel for rifle barrels. In order to examine the grain structure of the steel he needed to etch samples with acid before examining them under the microscope. The etching reagents he used were based on nitric acid, and he found that this new steel strongly resisted chemical attack. He then exposed samples to vinegar and other food acids such as lemon juice and found the same result. Brearley realized that this new steel could also revolutionise the cutlery industry.
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