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FOR KIDS: Helmet helper
Gel-filled liner absorbs energy of impacts, may reduce sports-related head injuries
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Gel-filled liner absorbs energy of impacts, may reduce sports-related head injuries

By Sid Perkins

Web edition: May 16, 2012

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The Skid Lid Helmet Helper, a cap-like liner (far right) made of 1-centimeter-thick strips filled with a gel-like material, may absorb as much as 97 percent of the energy of an impact, Longcroft's tests suggest.
Patrick Thornton, SSP

There is no such thing as a good smack to the head.

Whether you ski down a mountain, play football, or skate with the big boys on a hockey rink, you're at risk of a sports-related head injury. But the statistics of injuries related to bicycling are what inspired Claire Longcroft, a 16-year-old 11th-grader at Collingwood School in West Vancouver, British Columbia, to design an energy-absorbing liner for helmets.

Visit the new Science News for Kids website and read the full story: Helmet helper

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  • Interesting idea, though I think the story gets some terminology wrong. Helmet tests usually dictate a certain peak acceleration that can't be exceeded, not an amount of energy transmitted. It's unlikely the helmet or gel absorb that much energy, they just spread the impact out over time, lowering the peak acceleration, which saves the brain from injury.
    Eric  DeGolier Eric DeGolier
    Jun. 4, 2012 at 10:22am
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