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Which is a winning combination of digits?

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: 6

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My wife found a way...

My wife found a way to hide her candy from the guys at work.

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Charles Goodyear

Died 1 Jul 1860 at age 59 (born 29 Dec 1800).American inventor who baked rubber mixed with sulphur and discovered the vulcanization process which made rubber practical as a commercial product. Previously, rubber was of limited use since it froze hard in winter and sticky in summer. After years of persistent experimentation, Goodyear had created a tough, cured compound, able to withstand heat and stress. Sadly, he was a poor businessman, unable to profit from his invention or effectively patent it abroad. The “vulcanized” name was applied by English rubber pioneer Thomas Hancock, using the sugggestion of a friend to name the process after Vulcan, the Roman god of fire. Nor was Goodyear ever connected to the Goodyear Tire & Rubber Co. which was named in his honour.«

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