Rubens Tube

[gblowfish]

What do you get when you combine propane, headbanger music and physics?

The Rubens Tube!

http://www.5min.com/Video/The-Rubens-Tube-Frequency-of-Fire-1858291

[gblowfish]

Bump YOU BASTAGES!!!

[listopencil]

It's cool, but the idea is over 100 years old.

[Lzen]

That's pretty cool. I should build something like that and hook it up to my guitar amp. :D