Swiss authorities have said that a deadly fire at a ski resort bar in Crans-Montana, Switzerland, rapidly developed into a “flashover” – a dangerous phenomenon in which everything in a room ignites ...

Several weeks ago, I happened to be out at a fire department training center as the department trained with thermal imagers. The only training they planned to conduct was to get the flashover ...

Editors Note: To view more detailed images of the figures displayed on the right, please click on the links to each figure in the body of the article. Previous articles examined fire development in a ...