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ek slash special offer. This is Scientific American 60 Second Science I'm

Christopher in Talliata every year 20 60 seconds. I'm Christopher Intagiata.

Every year, 20 million tons of salts are dumped on roads and highways across the U.S. to eliminate ice.

And airlines spray up to a thousand gallons of antifreeze on any one plane to de-ice it.

But now scientists have come up with what might be a more environmentally friendly alternative.

We've often heard the expression,

it's time to fight fire with fire.

Well, I think now it's time to fight ice with ice.

Jonathan Barrico studies fluid mechanics

at Virginia Tech.

And what he means by that is if ice growth is inevitable, why not design certain areas of

plain wings or roads or HVAC systems specifically to attract ice, to control the chaos and

keep ice forming moisture away from the rest of the surface.

...