Geo Visitors Map


  Beauty & mystery in science.

Coronal loops 30 times the size of earth above sun photosphere. Solar plasma loops are above the visible sun surface. The TRACE satellite recorded these in the extreme ultra-violet. Credit: NASA.


  Science tidbit

Muticolored holiday lights.
Lights in Series and in Parallel

Why is it that those old strings of holiday lights stopped working as soon as one light burned out? Couldn't they make them any better?

Learn about the change that made them better.




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