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How many cubes are there?

Cubes of the same size are stacked in the corner of a room as shown. How many cubes are there?

Correct answers: 176

The first user who solved this task is Djordje Timotijevic.

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Pork at a July 4th Picnic

A priest and a rabbi met at the annual July 4th picnic. They were old friends and loved to tease one another. "This baked ham is really good,” said the priest. “You really ought to break down and try some.”"I will, I will,” replies the rabbi, smiling, “at your wedding.”

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Sir John Sealy Edward Townsend

Born 7 Jun 1868; died 16 Feb 1957 at age 88.British physicist who pioneered in the study of electrical conduction in gases. In 1898 he made the first direct measurement of the unit electrical charge (e). As a postgraduate, he was a research student of J. J. Thomson. In 1897, Townsend developed the falling-drop method for measuring e, using saturated clouds of charged water droplets (extended by Robert Millikan's highly accurate oil-drop method). He was first to explain how electric discharges pass through gases (Electricity in Gases, 1915) whereby motion of electrons in an electric field releases more electrons by collision. These in turn collide releasing even more electrons in a multiplication of charges known as an avalanche.

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