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  Beauty & mystery in science.

Black Hole-Powered Jet of Electrons and Sub-Atomic Particles Streams From Center of Galaxy M87. Credit: NASA 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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