Last week was quite special for the estimated 1.2 billion Catholics around the world when white smoke billowed across St.

Pyrotechnic chemistry drives the Vatican’s recipes for the black and white smoke used to announce papal election outcomes ...

In the afternoon, smoke may appear around 1 p.m. Eastern, 7 p.m. Vatican time if no decision is made. If a pope is elected on the first afternoon ballot, look for white smoke shortly after 11:30 a.m., ...

In 2013, the Vatican confirmed that their fumata recipes now consist of a clear black smoke recipe: potassium perchlorate ...

When that happens, white smoke rises from the Sistine Chapel's chimney. If the two-thirds majority is not reached, black smoke is emitted instead, signaling that the conclave will resume with further ...

White smoke has emerged from the chimney of the Sistine Chapel Thursday, signaling that the conclave to elect a new pope has ...

When that happens, white smoke rises from the Sistine Chapel's chimney. If the two-thirds majority is not reached, black ...

Here's how the conclave creates black and white smoke and why the Catholic Church began using them to signal whether a new ...

During a Papal Conclave, the world will be watching for white or black smoke from the Vatican's chimney. Here's what it means ...

A North Andover man was sentenced to prison for unlawful possession of a machine gun, unlawful possession of explosive ...

Black smoke rose from the Sistine Chapel's chimney on Wednesday, signaling that the College of Cardinals had not elected a pope.

Potassium chlorate (KClO₃) — even more reactive than perchlorate — ensures a hot, vigorous burn. Lactose acts as the fuel, burning quickly and cleanly into water vapour and carbon dioxide.