What a winning combination?
[6901] 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: 18 - The first user who solved this task is Nasrin 24 T
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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: 18
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
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Little Boy in Thunder Storm

One summer evening during a violent thunderstorm a mother was tucking her small boy into bed. She was about to turn off the light when he asked with a tremor in his voice, "Mommy, will you sleep with me tonight?"

The mother smiled and gave him a reassuring hug. "I can't dear," she said. "I have to sleep in Daddy's room." A long silence was broken at last by a shaken little voice saying, "The big sissy."

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Indelible pencil

In 1866, the first U.S. patent for an indelible pencil was issued to Edson P Clark of Northampton, Mass. as an "Producing Indelible Writing on Linen and other Fabrics" (No. 56,180). The pencil-lead was composed of gypsum (a hard moisture-resistance compound) and black lead (coloring agent, with optional asphaltum or lamp-black) and silver nitrate. It is the silver nitrate which blackens to make the indelible mark by the action of light or heat. The black lead and gypsum permit the pencil to be readily pointed. The patent described cementing the filling with shellac into grooved cedar wood. Clark held an earlier patent for an indelible composition, but described without the wood jacket (No. 24,195 on 31 May 1859).
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