As a team of investigators led by the FBI begins deciphering the bombs that killed three people and wounded 150 more in Boston this week, a key clue is already in plain sight on countless videos taken ...

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 ...

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 ...