Meanwhile, white smoke is produced using a much cleaner fuel mix and a more powerful oxidiser. Potassium chlorate (KClO₃) – ...

The Vatican’s cardinals gather in conclave today to begin electing the successor to the late Pope Francis—which means the ...

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

Tradition holds that black smoke indicates the cardinals have not yet agreed on a new leader, while white smoke signals that ...

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

The BBC reported that black smoke is created by a mixture of potassium perchlorate, anthracene and sulphur, while white smoke is created with potassium chlorate, lactose and rosin.