A high-performance solar furnace that can focus normal sunshine into a heat-ray that reaches 3,500C, hot enough to melt rocks. Coo! The story from BBC One's "Bang Goes the Theory"
11.25.2010
Solar furnace melts rock
A high-performance solar furnace that can focus normal sunshine into a heat-ray that reaches 3,500C, hot enough to melt rocks. Coo! The story from BBC One's "Bang Goes the Theory"
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