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How many balls are there?

Correct answers: 73

The first user who solved this task is Jasmina Atarac-Pantelic.

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International Guide Dog Day joke

April 26th is International Guide Dog Day! Celebrate it with a joke:

Blind man walks into a store
He grabs his guide dog by the tail and lifts it into the air then spins it around his head.
The store clerk, alarmed by this strange behavior said , "can I help you?"
…. "Nope, I'm just looking around."

#GuideDogDay #InternationalGuideDogDay

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California Electric Light Company

In 1879, the first U.S. electricity production central station, the California Electric Light Company, filed articles of incorporation in San Francisco, with a capital of $5,000,000. The entrepreneurs at first had in mind to use the obscure Titzell system, but instead settled on Brush equipment. Within three months, by Sep 1879, it had a central generating station supplying power for lighting Brush arc light lamps. It was a small, rather makeshift operation with a boiler to power a steam engine driving two dynamos. It provided enough electricity for just 21 lamps, which were rented to nearby shops and hotels for $10 weekly. It was not until 1882 that Thomas Edison had his New York City central station in production. Meanwhile most profits of the C.E.L. Co. came from installing more public and private plants.«

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