Across the Universe


Where do you find crazy ideas and some of the world's smartest people? In theoretical physics - the world of parallel universes, super strings and black holes.  We go on a whirlwind tour of the universe - from the multiverse to an imaginary walk on Mars. 

  1. Mathematical Universe - Max Tegmark

    Is mathematics what's most real in the universe?  MIT physicist Max Tegmark thinks so, and he says it's likely we live in one of many parallel universes.

    Average: 4.3 (7 votes)
  2. Copernicus - Dava Sobel

    Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory.  Dava Sobel tells his story.

    Average: 4 (6 votes)
  3. Sonic Sidebar: Cosmic Wonder

    When he was 9, Neil deGrasse Tyson fell in love with astrophysics during his first visit to a planetarium. He was, literally, star-struck, and now runs the Hayden Planetarium.

    Average: 4.9 (7 votes)
  4. Walking on Mars - Craig Childs

    What would it be like to walk on Mars?  Nature writer Craig Childs thinks it would be like trekking in some of Earth's most forbidding environments - deserts and Arctic ice fields.

    Average: 5 (5 votes)
  5. Watch This! "The Act of Killing" & "20 Feet from Stardom"

    Our inaugural edition of  "Watch This!" comes on the heels of the Academy Awards, with a nominee and the winner of the full-length documentary award.

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  6. On Our Minds: Lorrie Moore

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    Lorrie Moore has a new collection of short stories. She tells Steve Paulson that life is filled with absurdity; ghost stories are great fodder for fiction; and North America now owns the short story.

    Average: 2 (2 votes)