This is really cool. Physicists are now working experimentally with "nano vacuum tubes" - small "tube like" structures on a micro miniature scale. Scientists say > "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." You can read more about it in the article at the link below ..
Return of the vacuum tube
There are more articles about this new technology at the Google search link below ..
nano tubes articles ...
Bob
Return of the vacuum tube
There are more articles about this new technology at the Google search link below ..
nano tubes articles ...
Bob