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        A Green Way to Fight Fires

        Learn about TetraKO™, an environmentally friendly firefighting product, in this video from NOVA: “Making Stuff Safer.” Host and technology columnist David Pogue meets with the engineers who designed TetraKO™ to learn how the cornstarch-based gel works as an effective fire suppressant and retardant. The product is a non-Newtonian fluid, which means that it has special properties. When it is first sprayed from a hose, it is liquid. Once it lands on a surface, it turns into a solid and adheres to that surface. In addition, because it is nontoxic, it is safer for firefighters and wildlife than existing chemical fire suppressants and retardants.

        This video is available in both English and Spanish audio, along with corresponding closed captions.

        Visit the program page here.

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