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the lightning heats up the sand causing the silica in the sand to melt causing natural glass

these are called "fulgurites". and yes, this is awesome.


What happens in the above answer occurs when HEAT strikes sand, not lightning (although lightning has extreme heat, this is not the correct answer). Sand is considered "ground" if you are touching sand during a thunderstorm you are grounded.

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βˆ™ 2010-12-28 01:18:30
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Q: What happens when lightning strikes sand?
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