What a winning combination?
[3894] What a winning combination? - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 59 - The first user who solved this task is Manguexa Wagle
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 59
The first user who solved this task is Manguexa Wagle.
#brainteasers #mastermind
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International Day for Monuments and Sites/World Heritage Day jokes

Today is International Day for Monuments and Sites (World Heritage Day)! Find a joke about it!

Why the great pyramids are in Egypt?
Because they were too heavy to carry of to the British museum.

Why was Cleopatra angry?
She was on her pyramid.

I was offered a job building Egyptian tombs
Turned out to be a pyramid scheme

I'm surprised the tower of Pisa hasn't fallen over during the pandemic
Without all those tourists helping hold it up.

Two Americans are visiting Rome Colosseum
"Look at it. How huge and majestic it is."
"Just imagine how great it'll be when they finish building it."

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Safety lamp

In 1816, Sir Humphry Davy's safety lamp was first used in a coal mine. Deadly explosions had been a continual hazard caused by the flammable gas, methane, leaking out of the coal seams ignited by the flame of a miner's lamp. There had been previous attempts by others to make a safety lantern. Davy applied a scientific approach to determine the suitable fineness of wire gauze placed around the flame which would avoid ignition of flammable gas outside. He determined that the holes in the gauze should be less than 1/22 inch in diameter, and that the wire itself should be between 1/40 to 1/60 inch thick. Since the flame changed colour in the presence of methane, it also served as a warning to the miner to take protective action.«[Image: Davy safety lamp, circa 1816.]
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