Photo: #Photo illustration showing the effect of mass or energy on the framework of space, called space-time.
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Photo illustration showing the effect of mass or energy on the framework of space, called space-time. (Illustration courtesy of the University of Mississippi Department of Physics and Astronomy)

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A Midday journey through space and time

Broadcast: Midday, 08/18/2006, 12:06 p.m.

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Physicists will tell you that space and time are actually one and the same. Columbia University's Brian Greene, author of "The Fabric of the Cosmos: Space, Time and the Texture of Reality," explained how that's possible in a speech at the Aspen Ideas Festival in Aspen, Colo.

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