A friend turned me onto this amazing video of a man hand crafting vacuum tubes. He makes every part, the metal structures, blows the glass envelope, the base, pins, everything. It's a hugely labor intensive process. I just love that there are people out there doing this sort of thing, almost the same way it was done 100 years ago.
(Credit: Steve Guttenberg)
CNET on Cars
Top 5 Coolest Concept Cars
During the summer 2013 lull in the international auto show calendar, we take time to rank our favorite high tech concept cars so far this year.