Find the right combination
[6974] Find the right 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: 17 - The first user who solved this task is Nasrin 24 T
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Find the right 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: 17
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
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Last year, when the power mowe...

Last year, when the power mower was broken and wouldn't run, I kept hinting to my husband that he ought to get it fixed, but somehow the message never sank in. Finally I thought of a clever way to make the point.
When my husband arrived home that day, he found me seated in the tall grass, busily snipping away with a tiny pair of sewing scissors.
He watched silently for a short time and then went into the house. He was gone only a few moments when he came out again. He handed me a toothbrush. "When you finish cutting the grass," he said, "you might as well sweep the sidewalks."
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Tungsten filaments

In 1913, Dr William David Coolidge patented (U.S. No. 1,082,933) a method for making ductile tunsten for the purpose of making filaments for electric lamps. When Coolidge joined the General Electric Research Laboratory (1905), he was given the task of replacing the fragile carbon filaments in electric light bulbs with tungsten filaments, although tungsten was difficult to work. He developed a way to superheat the metal tunsten in order to draw it out into the fine threads used for lamp filaments. Coolidge then improved the X-ray tube by using a heated tungsten filament cathode in vacuum producing electrons, instead of residual gas molecules in the tube. This permitted higher operating voltages, higher energy X rays and the treatment of deeper-seated tumors.
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