Sunday, 19 August 2012

How your phone's screen shatters

You?ll know when it?s over. Upon impact, a small amount of elastic energy is converted into acoustic energy ? that resounding indication of breaking glass. But the majority of the elastic energy stored in the glass will be converted into two ? or more ? surface energies. A crack. You've just smashed your phone's screen.You?ll know when it?s over. Upon impact, a small amount of elastic energy is converted into acoustic energy ? that resounding indication of breaking glass. But the majority of the elastic energy stored in the glass will be converted into two ? or more ? surface energies. A crack. You've just smashed your phone's screen.




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