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scientists discover new blue whirl fire tornado this pretty little flame was recently discovered and researchers believe it could be the key to cleaning up oil spills a blue tinged fire tornado named Blue whirl was discovered by a team of researchers at the University of Maryland the fire tornado in controlled conditions could be the most efficient way to burn hydrocarbons unlike yellow flame a blue flame is a sign of a more complete near perfect burn emitting far fewer emissions in a round glass tank with slits in its side researchers placed the liquid and heptane onto a pool of water when lit the fire uses the oxygen in the air as slits in the tank cause the fire to whirl this creates a normal yellow burning fire tornado to tame the yellow fire tornado the engineers injected a slow steady stream of fuel From Below as the flame feeds off the fuel it shrinks and turns blue while there is still much to be learned about the flame researchers did note they were able to maintain the flame
