Weird chemical reactions
edited September 2016
Someone showed me these the other day.
A few of them are a bit freaky (Combustion of Mercury Thiocyanate... WTF...?)
(You've got to hover over each GIF to play it, and the first image is not a GIF...)
I like this one and it is easy to make at home,
Nitrogen Triiodide looks right up your street Colin.
What applications for audio equipment?
The cannons from the 1812 Overture of coarse.