You probably think of aluminium as a solid metal, the kind of thing that could protect you from explosions. That's not always the case — as the magnificent mad scientists at Periodic Videos are here to show us with supernova-style flame balls made from powdered aluminium.
If you've got a laboratory fume hood, a gas burner and a compressed air source, this trick is simple: load up a tube with powdered aluminium and blow it across the flame. You probably don't have that kind of kit in your garage, but we should point out that these are lab coat-wearing professionals and you should not be doing this at home. Leave the eye-popping pyrotechnics to the pros. [YouTube]