What is hidden in 3D image?

Stereogram - 3D Image

#brainteasers #stereogram #3Dimage

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I'm Working

Just seen a burglar kicking his own door in.
I asked: “What are you doing?”
He said: “Working from home.”

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Rail detector car

In 1928, a rail detector car was demonstrated near Poughkeepsie, N.Y. to representatives of the American Railway Association and of various railroads. Invented by Dr. Elmer Ambrose Sperry, it was designed to enable locating internal flaws in existing railroad tracks. This first car, car No. 101, was capable of travelling at 10 mph while examining one rail at a time. It had been previously field-tested 13 Jun 1928.

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