If our particles have no identity, how can we?
The contest between gravity and quantum physics takes a new turn.
Cosmologist and communicator.
Scientists are slowly scaling up quantum effects from atomic to human size.
At small scales, gravity seems to blow up—but not if space becomes 1-D.
There is no known physics theory that is true at every scale—there may never be.
After a decade, Peter Woit still thinks string theory is a gory mess.
What does a rational scientist do with an impossible result?
Portable slow-light technology could measure the speed of glaciers in real time.
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