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London Bridge Was Sold to the US!?

3y ago


London Bridge has already been rebuilt twice! But what happened to the bridges that came down? Also, explore a map of the big bang! MinutePhysics is on Google+ - And facebook - And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel Schroeder Thanks to Nima Doroud for contributions and to Perimeter Institute for support.