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Mathematical Puzzle: IF 22+4...

Mathematical Puzzle: IF 22+4=24, 13+6=16 and 80+2=82 THEN 67+9=?

Correct answers: 164

The first user who solved this task is Nasrin 24 T.

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I Raced A Prius

A Prius just tried to race me at the light...
I totally had it for the first 100 meters, but I can only walk so fast.

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3D X-rays

In 1966, the first X-ray three-dimensional stereo fluoroscopic system was installed for use in heart catherization by Richard J Kuhn. The $30,000 machine, developed by Joseph Quinn was put into use at the University of Oregon Medical Center, Portland, Oregon, U.S. The X-ray tube had one anode but two cathodes, an image intensifier with polarizers, and a synchronized analyzer. This produced a 3D image that could be seen through a viewing mirror without the use of special glasses.

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