What is the '?'?
[1714] What is the '?'? - What is the '?'? - #brainteasers #math #riddles - Author: The Math Guru - Correct Answers: 65 - The first user who solved this task is Sanja Šabović
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What is the '?'?

What is the '?'?
Author: The Math Guru
Correct answers: 65
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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After trying a new shampoo for...

After trying a new shampoo for the first time a man fired off an enthusiastic letter of approval to the manufacturer.
Several weeks later he came home from work to a large carton on his porch. Inside were free samples of the many products the company produced: soaps, detergents, tooth paste, and paper items, etc.
"Well, what do you think?" his wife asked smiling.
"Next time," he replied. "I'm writing to General Motors!"
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Johann von Lamont

Born 13 Dec 1805; died 6 Aug 1879 at age 73.Scottish-born German astronomer noted for discovering (1852) that the magnetic field of the Earth fluctuates with a 10.3-year activity cycle, but does not correlate it with the period of the sunspot cycle. From 1 Aug 1840, Johann von Lamont (as director of the Royal Astronomical Observatory in Munich) started regular and permanent observations of the earth's magnetic field. In the 1850's he started making regional magnetic surveys in the kingdom of Bavaria, later extended to other states in south Germany, France, Holland, Belgium, Spain, Portugal, Prussia and Denmark. His central European maps with isolines of geomagnetic elements, reduced to 1854, were the first worldwide.
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