Researchers Create Indoor Hailstorm
By: Nina Sen, Life's Little Mysteries Contributor
Date: 20 February 2013 Time: 11:17 PM ET
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Researchers have created an indoor, artificial hailstorm to test the impact on roofing material. Engineers from the Insurance Institute for Business & Home Safety (IBHS) designed and built multi-barreled cannons that can shoot thousands of hailstones -- with diameters of 1-inch, 1.5-inch and 2-inch -- up to 76 miles per hour.
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