What hides this stereogram?

Stereogram - 3D Image

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Three leaders of the big beer ...

Three leaders of the big beer companies meet for a drink. The president of Budweiser orders a Bud. Miller's president orders a Millers and the president of Coors orders a Coors. When it is Guinness turn to order he orders a soda. Why didn't you order a Guinness everyone asks? Nah Guinness replies. If you guys aren't having a beer neither will I.

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First telephone twang

In 1875, Alexander Bell and his assistant Thomas Watson had been working on the "harmonic telegraph". In the transmitter room, Watson had been trying to free a reed that had been too tightly wound to the pole of its electromagnet, when it produced a twang. Bell, who had been working in the receiving room heard the twang. He realized that now his dream of speech transmission must be a possibility, for the complex overtones and timbre of the twang he had just heard had a lot in common with the sound of the human voice. The next day, they continued tinkering on their experiment, anxious to achieve more ambitious results.[Image: diagram of earlier device under test in Winter 1873]

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