27.05.2012 23:50 Uhr, Quelle: Engadget

Nano vacuum tubes could give a second life to the guitarist's best friend

Pretty much the only place you see vacuum tubes any more is inside a quality audio amp. But, once upon a time, they were the primary ingredient in any piece of electronic equipment, including computers. The glass tubes have since been replaced with the smaller, less fragile and cheaper to manufacture silicon transistor. There are, however, disadvantages, to transistors. For one, electrons tend to move more slowly though the semiconductors, and two, they're highly susceptible to radiation. The second of those problems doesn't affect u

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