Find the right combination
[320] 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: 83 - The first user who solved this task is Sanja Šabović
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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: 83
The first user who solved this task is Sanja Šabović.
#brainteasers #mastermind
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Finding Inner Beauty

Preparing for a yard sale at our house, my wife and I decided to put out a mirror we'd received as a wedding gift.
Because of its garish aqua colored metal frame we just couldn't find a room in our house where it looked good.
Shortly after the sale started, a man looking to decorate his apartment bought it for one dollar. 'This is a great deal,' he said excitedly. 'It still has the plastic on it.'
Then he peeled off the aqua colored protective covering to reveal a beautiful gold finished frame.

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Edison patent

In 1893, a patent for a "Roller for Crushing Ore or Other Material" was issued to Thomas A. Edison (U.S. No. 498,385). Edison had in mind crushing iron ore. "It is usual in ore crushing machines employing rollers to mount them in pairs on suitable supporting frames and to provide means for driving each pair, and for feeding material to be crushed separately to each pair of rollers and to provide separate means for pressing the rollers of each pair together. In the machine to be described I employ three or more rollers supported side by side in a frame and moveable towards or away from each other, instead of using them in pairs, and a single weight and lever serves to press all of said rollers together."Image: drawing of the side elevation of the apparatus.
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