Geo Visitors Map


  Beauty & mystery in science.

View of the central portion of the Whirlpool Galaxy, M51. Credit: NASA, ESA, W. Li and A. Filippenko [University of California, Berkeley], S. Beckwith [STScI], and The Hubble Heritage Team [STScI/AURA].


  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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