BRAIN TEASERS

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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: 51

The first user who solved this task is James Lillard.

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If the Pilgrims Were Alive

In class, the teacher was trying desperately to get the students to think. He asked, “If the Pilgrims were alive today, what would they be most famous for?”One student quickly responded, “Their age.”

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First U.S. Nobel physicist

In 1907, the first U.S. scientist to receive the Nobel Prize was Albert Michelson, a German-born American physicist who received the Nobel Prize for Physics “for his optical precision instruments and the spectroscopic and metrological investigations.” He designed the highly accurate Michelson interferometer and used it to accurately measure the speed of light and establish it as a fundamental constant. In 1887, with Edward Morley, he also used it in an attempt to measure the velocity of the earth through the ether (yielding null results that later led Albert Einstein to his theory of relativity). He measured the standard meter bar in Paris to be 1,553,163.5 wavelengths of the red cadmium line (1892-3).«

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