3 ms·
"Vacuum Tube" should be "Evacuated Tube". It took me a bit of puzzling over why a company specializing in pre-semiconductor devices would be building a transpo
by mdturnerphys 13y ago
"Vacuum Tube" should be "Evacuated Tube". It took me a bit of puzzling over why a company specializing in pre-semiconductor devices would be building a transport system to realize that.