Find the right combination
[172] 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 Jasmina Atarac-Pantelic
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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 Jasmina Atarac-Pantelic.
#brainteasers #mastermind
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The $5,000,000 question....

Bob had finally made it to the last round of the $5,000,000 Question. The night before the big question, he told the M.C. that he desired a question on American History.

The big night had arrived. Bob made his way on stage in front of the studio and TV audience. He had become the talk of the week. He was the best guest this show had ever seen. The M.C. stepped up to the mic.

"Bob, you have chosen American History as your final question. You know that if you correctly answer this question, you will walk away $5,000,000 dollars richer. Are you ready?"

Bob nodded with a cocky confidence-the crowd went nuts. He hadn't missed a question all week.

"Bob, your question on American History is a two-part question. As you know, you may answer either part first. As a rule, the second half of the question is always easier. Which part would you like to take a stab at first?"

Bob was now becoming more noticeably nervous. He couldn't believe it, but he was drawing a blank. American History was his easiest subject, but he played it safe. "I'll try the easier part first."

The M.C. nodded approvingly. "Here we go Bob. I will ask you the second half first, then the first half."

The audience silenced with gross anticipation . . .

"Bob, here is your question: And in what year did it happen??"

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Artificial heart implant

In 1957, the first total artificial heart implantation in an animal kept a dog alive for 90 minutes in a pioneering experiment at the Cleveland Clinic by Dr. Willem Kolff and Dr. Tetuzo Akutsu. Blood pumps for left and right circulation were implanted in the chest of a 20.7-kg dog, beating at the rate of 100 with an aortic pressure of 70/50 mm Hg. Akutsu was in Kolff's laboratory as a thoracic surgeon interested in cardiopulmonary bypass when Kolff asked him to make the device. The idea was prompted by an address by Dr. Peter F. Salisbury who had made, but not implanted, hydraulically activated twin pumps. Advice was contributed by Dr. Selwyn McCabe at the Mark Company, who had also fabricated an earlier artificial heart. Akutsu molded the four-chamber blood pump from “Tygo-Flex” PVC.
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