MATH PUZZLE: Can you replace...
[6387] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 144 - The first user who solved this task is Nasrin 24 T
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 144
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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Eiffel Tower jokes

It is Eiffel Tower Day today! The day marks the completion of the Eiffel Tower on this day in 1889!

I Tried To Climb The Eiffel Tower Once
But eiffel!

What do you call a tourist visiting the Eiffel Tower?
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Video recorder

In 1956, the first practical commercial black-and-white video recorder was demonstrated at a broadcast convention in Chicago and simultaneously in Redwood City, Ca. The VT-100 by Ampex Corporation of Redwood City was the size of a deep-freeze with an additional five 6-foot racks of circuitry. The 2-inch wide magnetic tape moved at a speed of 15 inches per second. The system had four heads on a disc rotating perpendicularly across the width of the tape, thus tracing an oblique track pattern. A single 14-inch reel could carry a 65-min. recording. The Columbia Broadcasting System purchased three of the video recorders in 1956, priced at $75,000 for each unit, and first broadcast from tape on 30 Nov 1956.
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