BRAIN TEASERS

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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: 22

The first user who solved this task is Nasrin 24 T.

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Adam and Eve

Why did god create Adam before he created Eve?
- Because he didn't want anyone telling him how to make Adam.

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Ronald G.W. Norrish

Born 9 Nov 1897; died 7 Jun 1978 at age 80.Ronald George Wreyford Norrish was a British chemist who shared the 1967 Nobel Prize for Chemistry with fellow Englishman Sir George Porter and German Manfred Eigen for their studies of very fast chemical reactions. From 1949-65 he collaborated with his former pupil George Porter in the development of flash photolysis and kinetic spectroscopy for the investigation of very fast reactions. Norrish also made a significant contribution to chemistry when he corrected Draper's law. In the mid-19th century John Draper proposed that the amount of photochemical change is proportional to the intensity of the light multiplied by the time for which it acts. Norrish showed that the rate was in fact proportional to the square root of the light intensity.

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