electronpirate
Axe-Master
Geek content warning:
http://spectrum.ieee.org/semiconductors/devices/the-quest-for-the-ultimate-vacuum-tube
Pretty interesting stuff, even if much of it is way over my head.
http://spectrum.ieee.org/semiconductors/devices/the-quest-for-the-ultimate-vacuum-tube
Pretty interesting stuff, even if much of it is way over my head.