What is 9 + 5?
[122] What is 9 + 5? - If 2+3=10, 8+4=96, 7+2=63, 6+5=66 then 9+5=? - #brainteasers #math #riddles - Correct Answers: 640 - The first user who solved this task is Eric Newton
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What is 9 + 5?

If 2+3=10, 8+4=96, 7+2=63, 6+5=66 then 9+5=?
Correct answers: 640
The first user who solved this task is Eric Newton.
#brainteasers #math #riddles
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It's the summer of 1957 and H...

It's the summer of 1957 and Harold goes to pick up his date, Peggy Sue.
Harold's a pretty hip guy with his own car and a duck tail hairdo. When he goes to the front door, Peggy Sue's mother answers and invites him in. "Peggy Sue's not ready yet, so why don't you have a seat?" she says.
That's cool. Peggy Sue's mother asks Harold what they're planning to do.
Harold replies politely that they will probably just go to the malt shop or to a drive in movie.
Peggy Sue's mother responds, "Why don't you kids go out and screw? I hear all the kids are doing it."
Naturally this comes as quite a surprise to Harold and he says, "Wha...aaat?"
"Yeah," says Peggy Sue's mother, "We know Peggy Sue really likes to screw; why, she'd screw all night if we let her!"
Harold's eyes light up and he smiles from ear to ear. Immediately, he has revised the plans for the evening.
A few minutes later, Peggy Sue comes downstairs in her little poodle skirt with her saddle shoes, and announces that she's ready to go.
Almost breathless with anticipation, Harold escorts his date out the front door while Mom is saying, "Have a good evening kids," with a small wink for Harold.
About 20 minutes later, a thoroughly disheveled Peggy Sue rushes back into the house, slams the door behind her and screams at her mother: "Dammit, Mom! The Twist! The Twist! It's called The Twist!"
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Spectrophotometer

In 1935, the first U.S. patent for a spectrophotometer was issued to Professor Arthur Cobb Hardy of Wellesley, Mass. (No. 1,987,441) which he called a “photometric apparatus.”It could detect two million different shades of colour and make a permanent record chart of the results. The patent was assigned to the General Electric Company of Schenectady, N.Y. which sold the first machine on 24 May 1935. It used a photo-electric device to receive light alternately from a sample and from a standard for comparison. It eliminated any need for the two beams (from sample and from standard) to travel different optical paths which in previous designs could introduce inaccuracies if one path varied from the other.«[Image: a "GE-Hardy" double-beam recording spectrophotometer photographed in 1938 showing Walt Disney with the instrument at his studios.]
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