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How do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.

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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder
Additional music by Kevin MacLeod http://www.incompetech.com Created by Henry Reich