No 2. Dynamite can remove cement coating off a cement truck’s barrel

The biggest explosion for mythbusters?

[youtube]http://www.youtube.com/watch?v=ynZxVErTovg [/youtube]

No 1. You can make a monster fireball with sawdust and compressed air

A viral video circling on the internet prompted the mythbusters to confirm it or either bust it and eventually it was confirmed. The video is not a direct recording but is the best available.

[youtube]http://www.youtube.com/watch?v=9o17mAJHdTo[/youtube]