In this hour, a look at searching for extra dimensions, with theoretical physicist Lawrence Krauss. Is the Twilight Zone just around the corner? Is there more to the universe than...this universe? We'll talk about string theory, religion, our fascination with the infinite, and alternate universes.

Plus, the hidden life of garbage. We'll talk about what exactly happens to trash after it departs your curbside, from recycling to landfills. Plus, where do old PCs go to die? Even computers turned in for recycling may face a less-than-green end in dumps in the developing world.

Please note that this program is pre-recorded -- don't try to call in. Happy holidays! Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

Guests:
Lawrence Krauss
Author, "Hiding in the Mirror; The Mysterious Allure of Extra Dimensions from Plato to String Theory and Beyond" (Viking, 2005)
"The Physics of Star Trek" (HarperCollins, 1995)
Ambrose Swasey Professor of Physics
Director, Center for Education and Research in Cosmology and Astrophysics
Case Western Reserve University
Cleveland, Ohio

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Heather Rogers
Filmmaker, "Gone Tomorrow: The Hidden Life of Garbage" (2002)
Author, "Gone Tomorrow: The Hidden Life of Garbage" (2005, The New Press)
Brooklyn, New York

Jim Puckett
Coordinator
Basel Action Network
Seattle, Washington

Books/Articles Discussed:

"Hiding in the Mirror; The Mysterious Allure of Extra Dimensions from Plato to String Theory and Beyond," by Lawrence Krauss. Viking, 2005.

"Gone Tomorrow: The Hidden Life of Garbage," by Heather Rogers. 2005, The New Press.

(find books discussed on previous broadcasts)

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This segment produced by Annette Heist and Karin Vergoth