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Environment

Superfog can cause fatal car accidents and now we know how it forms

By David Adam

29 May 2019

cars in fog

Superfog can be dangerous

MediaNews Group/Inland Valley Daily Bulletin via Getty Image

A mysterious and deadly natural phenomena called superfog has been made in the lab for the first time.

Formed when smoke and moisture mix to make a murky dense haze that is impossible to see through, superfog is rare. But it’s been blamed for several lethal pile-ups on roads in the United States.

Five people died and 38 were injured when superfog caused 70 cars to smash together on the I-4 highway in Florida in January 2008. “It was clear, it was a little foggy, then it was…

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