News Physics

Four types of flames join forces to make this eerie ‘blue whirl’

Scientists have now mapped the structure of the unusual spinning blaze

blue whirl flame

This unusual spinning flame, called a blue whirl, is made up of four different types of flames, researchers report.

Univ. of Maryland

By Emily Conover

- More than 2 years ago

The ghostly blue flame stunned researchers when it first showed up unexpectedly in a laboratory experiment.