Colored smoke is increasingly employed as an element of spectacle in a broad spectrum of public events. However, the chemicals used for this purpose give rise to toxic by-products. LMU chemists have ...

Pyrotechnics are fun, and, with the proper precautions taken, safe enough to play with at home (usually). While it’s typical to purchase fireworks and smoke devices off the shelf, it’s actually ...

The red smoke of a flare on a roadway warns motorists to be cautious, but the anthraquinone dyes currently used to produce this smoke are thought to be harmful to human health. Now, researchers ...

In general terms, lighter colored smoke frequently contains a substantial concentration of unburned (and highly flammable) pyrolysis products.As discussed in the previous article, fire behavior ...

MINNEAPOLIS (WCCO) --For 100 years, the Vatican's smoke signal has rarely been a black or white matter. Black means no Pope, white means the Cardinals have selected a Pope. But how does the Vatican ...

The red smoke of a flare on a roadway warns motorists to be cautious, but the anthraquinone dyes currently used to produce this smoke are thought to be harmful to human health. Now, researchers ...