The new device is a cross between today's transistors and the vacuum tubes of yesteryear. It's small and easily manufactured, but also fast and radiation-proof. Meyyappan, who co-developed the "nano vacuum tube," says it is created by etching a tiny cavity in phosphorous-doped silicon. http://news…

Nano Vacuum Tubes in Silicon

graynomad May 24, 2012, 12:09am 4

Yes I've always preferred the sound of valve flip flops to those new digital ones.

Rob

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