MATH PUZZLE: Can you replace...
[4383] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 222 - The first user who solved this task is Fazil Hashim
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 222
The first user who solved this task is Fazil Hashim.
#brainteasers #math #riddles
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Counting Her Own Eggs

What do you call a hen who counts her own eggs?
A mathemachicken.

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The first U.S. hydroelectric power plant

In 1882, the world's first hydroelectric power plant in the U.S. was opened on the Fox River, in Appleton, Wisc. Powered by a water wheel, a single dynamo provided 12.5 kilowatts enough for 180 lights, of ten candlepower each. Appleton paper manufacturer H.F. Rogers, had been inspired by Thomas Edison's plans for a steam-powered electricity production station in New York. He had financial support from a personal friend of Edison's and two other men, all from Appleton. Rogers began building the power plant at his riverside paper mill during the summer of 1882. Later known as the Appleton Edison Light Company, it produced produced enough electricity to light Rogers' home, the plant itself, and a nearby building.[Image: Appleton Dam 1880-1920]
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