Find the right combination
[7515] 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: 3
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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: 3
#brainteasers #mastermind
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A Good Day for Ice Fishing

After church, little Johnny and his brother go ice fishing. Little Johnny starts drilling on the ice when a voice from above says, "Young man, there's no fish down there.”Little Johnny asks his brother, "Who is that?"His brother replies, "I don't know."So little Johnny starts to drill again and the voice says again, "For the second time, there's no fish down there."Little Johnny asks his brother, "Could that be God?"His brother replies again, "I don't know." Little Johnny starts drilling again and the voice says once more, "Young man, for the last time, I'm telling you there's no fish down there."Johnny looks up and asks, "Is that you, God?"The voice says, "No, I'm the manager and the rink's closed."-
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Savery's steam-driven water pump

In 1698, Thomas Savery received a British patent (No. 356) for a “New Invention for Raiseing of Water and Occassioning Motion to all sorts of Mill Work by the Impellent Force of Fire.” It was the first to harness steam for pumping water, used in draining mines, serving towns or supplying water to mills. Steam in a vessel was condensed by an external spray of cold water. A partial vacuum resulted and raised water from a lower sump. As high-pressure steam refilled the vessel, the water was forced to a higher level. His major problem was containing high-pressure steam since available construction materials were weak. The 14 year term was extended to 35 by Parliament in 1699. He also held a patent for ship propulsion (No. 347, 10 Jan 1696).«[Image: diagram of Savery's Miner's Friend steam powered pump.]
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