BRAIN TEASERS

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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: 60

The first user who solved this task is Sanja Šabović.

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Happy St Patrick's Day

"That guy was so happy that it's St Patrick's day, that he was literally bouncing off the walls!"
"Who was it?"
"Rick O'Shea."

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Iosif Samuilovich Shklovskii

Died 3 Mar 1985 at age 68 (born 1 Jul 1916).Iosif Samuilovich Shklovskii was a Soviet astrophysicist who identified the continuum radiation of the Crab Nebula as synchrotron radiation, and he linked x-ray stars to binary systems containing a neutron star. His investigation of the corona of the sun showed it had a temperature of the order of a million kelvin, and that magnetic fields act to confine it. He applied radio astronomy to study supernovae. Mass extinctions on earth, he suggested, may have resulted from the cosmic rays ejected from past supernovae happening at relatively close range to our solar sytem. He was awarded the 1972 Bruce Medal. Shklovskii was one of the earliest well-respected astrophysicists to regard the possibility of extraterrestrial life as worthy of consideration. His popular books includeIntelligent Life in the Universe (English translation by Carl Sagan).«

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