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Soldiers line up, spaced wit...

Soldiers line up, spaced with pride, Two long rows lined side by side, One sole unit can decide, If the rows will unite or divide. What am I?

Correct answers: 24

The first user who solved this task is Fazil Hashim.

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Patient and Doctor

Patient: "Doctor, Doctor... I can't stop stealing things".
Doctor: "Take these pills for a week. If that doesn't work, I'll have a color TV".

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Erasmus Reinhold

Born 22 Oct 1511; died 19 Feb 1553 at age 41. German mathematician who was a leading mathematical astronomer in his time. He carefully calculated the first set of planetary tables applying Copernican theory, published in 1551. They were named after his financial supporter (Albert, Duke of Prussia) as the Tabulae Prutenicae. Although Reinhold's work furthered the acceptance of Copernican views, he expressed no enthusiasm for the heliocentric assumption. He merely accepted it for having merit as a mathematical device yielding practical results. His tables were superceded in three-quarters of a century by Kepler's improvements.«

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