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.sciencemag.org/sciencenow/2012/05/return-of-the-vacuum-tube.html
"Can you fix the computer with a sapling and some fencing wire?"
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