What hides this stereogram?

Stereogram - 3D Image

#brainteasers #stereogram #3Dimage

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Relationship

In a relationship one person is always right and the other person is a male.

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Electron microscope

In 1940, the first U.S. electron misroscope was demonstrated in Philadelphia, Pennsylvania. It was able to produce a magnification of 100,000 times, in an apparatus 10 feet high and weighing half a ton. The inventor was Dr. Vladimir Zworykin at the RCA laboratories, Camden, New Jersey.

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