Which number is missing?
[2] Which number is missing? - Which number is missing? - #brainteasers #math #riddles - Correct Answers: 220 - The first user who solved this task is Eric Newton
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Which number is missing?

Which number is missing?
Correct answers: 220
The first user who solved this task is Eric Newton.
#brainteasers #math #riddles
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Where are the monkeys?

The young lady strolled thru the National Zoo and finally paused in front of the monkey island. Mystified as to the whereabouts of the animals, she queried the keeper, "Where are all of the monkeys?"

"They're all back in the cave Miss." he responded, "It's right in the midst of the mating season."

"I see." she replied, "Do you think they'd come out if I offered them some of these peanuts?"

Smiling the keeper responding, "Well, I can't rightly say as I know Miss. Would *YOU*?"

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Wolfgang Paul

Born 10 Aug 1913; died 6 Dec 1993 at age 80.German physicist who developed the Paul trap, an electromagnetic device that captures ions and holds them long enough for study and precise measurement of their properties. During the 1950s he developed the so-called Paul trap as a means of confining and studying electrons. The device consists of three electrodes - two end caps and an encircling ring. The ring is connected to an oscillating potential. The direction of the electric field alternates; for half the time the electron is pushed from the caps to the ring and for the other half it is pulled from the ring and pushed towards the caps. For his work he shared the 1989 Nobel Prize for Physics with Hans Georg Dehmelt and Norman F. Ramsey.
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