When19 Granite Mountain Hotshots were trapped by a raging wildfire in Arizona in 2013 and died inside their emergency shelters Mary Beth Wusk, a materials expert at NASA Langley Research Center, took notice.
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When19 Granite Mountain Hotshots were trapped by a raging wildfire in Arizona in 2013 and died inside their emergency shelters Mary Beth Wusk, a materials expert at NASA Langley Research Center, took notice.