In a follow-up to the amazing vid of a guy fabricating his own triode vacuum tubes, here’s a webpage from a builder who shows how he created his own crude cathode ray tubes.

Homemade Cathode Ray Tubes – Link


Gareth Branwyn

Gareth Branwyn

Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy person’s memoir,” called Borg Like Me.

  • Dax

    Am I the only one terrified by cathode ray tubes?

    PS: Aim away from crotch ;)

  • cokebottle tuque

    You know its only the possibility of it throwing x-rays that scares me and thats from lack of understanding, but still some thing to be aware of if anyone does try this.