Corrections & Clarifications: The graphic at the end has been updated to reflect that New Jersey now allows some types of consumer fireworks. A popular brand of fireworks sold at five chain stores in ...

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 ...

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 ...

ROME, Italy — When a new pope is needed, the College of Cardinals gather at the Vatican to vote and colored smoke flows out of the Sistine Chapel’s chimney depending on the result — but what does it ...

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 ...

UPDATE (11/30 6:03 pm) - In a written statement, the refinery confirmed a fire as the source of the smoke. From Calumet Montana Refining: Calumet Montana Refining has confirmed a fire has occurred at ...

SAN FRANCISCO, CALIFORNIA – OCTOBER 16: Judy Chicago’s pyrotechnic art exhibit, “Forever de Young,” is ignited outside the de Young Museum in San Francisco, Calif., Saturday, Oct. 16, 2021, filling ...

To observers of the papal conclave, one part of the process will probably stand out as the most visible and exciting. Today, all 115 cardinals will isolate themselves from the rest of the world, their ...

To an observer of the papal conclave, there is one part of the process that is the most visible and exciting. On Tuesday, all 115 cardinals will isolate themselves from the rest of the world and their ...