But you can always reload great grandpa’s musket with some homemade gunpowder. All kidding aside ... that go into this experiment are ammonium nitrate and potassium chloride.

or gunpowder, the basic material in all fireworks, has remained the same since it was discovered in China about 1,000 years ago: 75 percent saltpeter (potassium nitrate), 15 percent charcoal ...

But you can always reload great grandpa’s musket with some homemade gunpowder. All kidding aside ... that go into this experiment are ammonium nitrate and potassium chloride.