While prepping for our nation’s independence, we came across this excellent explanation as to how most basic fireworks function. The clip takes about a minute of your time and will imbue you with impressive knowledge for this July 4th. [HowStuffWorks]
Kif
Friday, July 3, 2009 at 8:57 AMhttp://www.pyroguide.com
Thank the green thumbs for an endless supply of potassium nitrate and sulphur. It’s easy to make your own.
You’ll find more intereseting videos on metacafe, too. I like the simplicity of exploding drink bottles with dry ice. Good for a laugh.