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Calculate the number 1190

NUMBERMANIA: Calculate the number 1190 using numbers [3, 7, 1, 6, 25, 142] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 0

#brainteasers #math #numbermania

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Why I spoke so softly in the house?

My wife asked why I spoke so softly in the house.
I said I was afraid Mark Zuckerberg was listening!
She laughed.
I laughed.
Alexa laughed. Siri laughed.

Author SandipGarg.
NOTE:Many sharing this joke, but SandipGarg's tweet is the oldest post I found.

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Waldo Semon

Born 10 Sep 1898; died 26 May 1999 at age 100.American chemical engineer who invented plasticized PVC (vinyl). In 1926's, he discovered how to convert polyvinyl chloride from a hard, unworkable substance to a pliable one. It is now used in hundreds of products such as floor tile, garden hose, imitation leather, shower curtains, and coatings. It is produced in larger quantities than any other plastic except polyethylene. Semon also made pioneering contributions in polymer science, including new rubber antioxidants. His technical leadership led to discovery of three major new polymer families: thermoplastic polyurethane, synthetic "natural" rubber, and oil-resistant synthetic rubbers. Semon held 116 U.S. patents.

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