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 23, 2012, 11:45pm 2

Why bother?

0.46 terahertz.

Oh I see

Rob