Add Yahoo as a preferred source to see more of our stories on Google. Fireworks are a class of explosive pyrotechnic devices that commonly come in around seven colors. Shahril KHMD/Shutterstock.com In ...

In the earliest days of the United States, John Adams wrote to his wife Abigail about the celebration of independence, "It ought to be solemnized with Pomp and Parade, with Shews, Games, Sports, Guns, ...

Not all colors of fireworks are equally easy to create. In the earliest days of the United States, John Adams wrote to his wife Abigail about the celebration of independence, “It ought to be ...

Copper sulfate (This is available via pet or aquarium stores and is used to combat algae or it is sold by home improvement stores as a root killer. Make sure the product is pure copper sulfate and ...

An curved arrow pointing right. Following is a transcript of the video. This artist torches colorful designs on copper clocks. Brent Artman grinds a large piece of copper until it's shiny. He heats ...

Paul E. Smith is president of the Pyrotechnics Guild International, Inc. He is a member of the American Pyrotechnics Association, the National Fireworks Association and the International Pyrotechnics ...