I thought you guys might find this interesting.

Laymans article: http://www.extremetech.com/extreme/185027-the-vacuum-tube-strikes-back-nasas-tin...

Technical article: https://www.nasa.gov/ames-partnerships/technology/technology-opportunity-nanostr...

This patented technology is available for licensing from NASA’s space program to benefit U.S. industry.

...do you guys have the same idea that i have?  ;)