Every year Americans empty their wallets buying fireworks for the Fourth of July holiday. According to the American Pyrotechnic Association, in the year 2010 alone Americans spent more than $600 million on fireworks. But how exactly do these creations work?
What makes fireworks go boom?
Every year Americans empty their wallets buying fireworks for the Fourth of July holiday. According to the American Pyrotechnic Association, in the year 2010 alone Americans spent more than $600 million on fireworks. But how exactly do these creations …