In practice, firefighters would aim the business end of a handheld cannon at a fire, and launch these ‘ionic wind’ vortex rings to put it out. That would reduce the expense, cleanup ...

Fire crews said they were trying to establish the cause of a wind turbine fire at a farm. The blaze broke out at about 10:00 GMT on Sunday at the Coldham Wind Farm in the Fens, Cambridgeshire.