Scientists have made significant advances in low-smoke and perchlorate-free technologies, prompted by the military, which uses flares and other pyrotechnics, and by Walt Disney Co., which stages ...

Green-tinted fireworks get their color from the metal barium and burn thanks to the oxidizer perchlorate, the same chemical that NASA puts in the solid rockets used to launch astronauts into space.

Picatinny researchers are working to remove the harmful chemicals barium nitrate and potassium perchlorate from the IM-28 baseline mixture and replace them with a chemical known as sodium ...

Barium, which provides a ... researchers found that perchlorate levels spiked more than 1000 times higher than normal in parts of a small Oklahoma lake within 14 hours after a Fourth of July ...

As July 4th approaches, Americans look to the skies. Throughout the country, fireworks will be launched in celebration of the nation's independence. But what goes up must come down. Reporter Eric ...

Barium, which provides a ... researchers found that perchlorate levels spiked more than 1000 times higher than normal in parts of a small Oklahoma lake within 14 hours after a Fourth of July ...

Around 67% of the 196 food samples tested had “measurable” levels of perchlorate, though a single serving of none of the foods exceeded the EPA’s recommended daily reference dose.

Perchlorate has been found in infant formula. Sander van der Wel/Flickr, CC BY-SA. In the United States, perchlorate can even be used in food packaging. Despite well-founded objections from a ...