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Smart Materials: Old times, fire lamps While prehistoric men initially might have had to wait for a lightning strike to ignite a fire, they soon learned that “flash rocks” enabled them to have fire on demand. These a
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Document Date: 2013-12-12 12:47:41
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Smart Materials: Old times, fire lamps While prehistoric men initially might have had to wait for a lightning strike to ignite a fire, they soon learned that “flash rocks” enabled them to have fire on demand. These a