A Quantum Beginning for a Two-Sided Universe


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A Quantum Beginning for a Two-Sided Universe

A Quantum Beginning for a Two-Sided Universe

How did it all begin? How did this universe in which we live come to be? The story begins in the early 20th century with Georges LeMaitre who originated the concept that an expanding universe could be extrapolated back to a point. Then came the observations of Edwin Hubble that indicated rather clearly that the universe was indeed expanding. Then there were other discoveries, such as the cosmic microwave background radiation which is literally the afterglow of the big bang.

But there are mysteries still. There comes a point where we can no longer study the big bang directly, a point where everything becomes opaque. This and other questions have led to a number of different models for just how the big bang played out. My guest Neil Turok specializes in the physics of the early universe, and unraveling just what happened.

The cyclic universe theory was considered by Albert Einstein. A new cyclic universe theory was proposed by Dr. Neil Turok and Paul Steinhardt. What is the antiuniverse? Is there an antiuniverse?


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