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The Trouble with Theories of Everything

There is no known physics theory that is true at every scale—there may never be. The advent of quantum mechanics changed everything. When quantum mechanics is combined with relativity, it turns out, rather unexpectedly in… 

10 ways to honor veterans beyond Veterans Day

Every year on November 11, Americans honor the 19.6 million active and former US service members who have gone to war Veterans Day is marked by parades, speeches and solemn ceremonies offering a nation’s appreciation. Here…