What hides this stereogram?
[4364] What hides this stereogram? - Stereogram - 3D Image - #brainteasers #stereogram #3Dimage
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What hides this stereogram?

Stereogram - 3D Image
#brainteasers #stereogram #3Dimage
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There were two buddies, one wi...

There were two buddies, one with a Doberman Pinscher and the other with a Chihuahua. The guy with the Doberman Pinscher says to his friend, "Let's go over to that restaurant and get something to eat."
The guy with the Chihuahua says, "We can't go in there. We've got dogs with us."
The buddy with the Doberman Pinscher says, "Just follow my lead."
They walk over to the restaurant, the guy with the Doberman Pinscher puts on a pair of dark glasses and he starts to walk in. The bouncer at the door says, "Sorry, mac, no pets allowed."
The man with the Doberman Pinscher says, "You don't understand. This is my seeing-eye-dog."
The bouncer says, "A Doberman Pinscher?"
He answers, "Yes, they're using them now; they're very good and protect me from robbers, too."
The man at the door says, "Come on in."
The buddy with the Chihuahua figures, "What the heck," so he puts on a pair of dark glasses and starts to walk in.
Once again the bouncer says, "Sorry, pal, no pets allowed."
The guy with the Chihuahua says, "You don't understand. This is my seeing-eye dog."
The bouncer at the door says, "A Chihuahua?"
The man with the Chihuahua says, "A Chihuahua?????? They gave me a Chihuahua?!"
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First Audion tube

In 1906, the first triode was ordered by Lee de Forest who instructed the New York automobile lamp maker, H. W. Candless, to make a glass bulb containing a "grid" wire between a filament and an electrode plate. These specifications extended the Fleming two-element diode valve design previously published in the Proceedings of the Royal Society. The third element - the grid wire - regulated the flow of electrons between the filament and the anode plate, producing an amplification of the variations in a signal voltage applied to the grid. De Forest named his invention the "Audion." Within a few years (1913-1917) he was able to profit from his patents that he sold to AT&T for a total of $390,000.«[Image: A de Forest Audion tube, circa 1912.]
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