Creating Lava

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In Syracuse, NY, artists and scientists work together to study volcanic flows by melting crushed basalt in a special furnace before releasing the lava into the parking lot.  This particular flow is very prone to boiling behavior, likely because of the cold air and ground temperatures (less than 0 C).  The outer layers of rock cool quickly, leaving bubble-shaped chambers which hotter lava can fill before melting out. (via It’s Okay To Be Smart; submitted by @jpshoer)

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