IT Conversations | Tech Nation | James Powell (Free Podcast)

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Executive Director, National Physical Science Consortium

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16 minutes, 7.7mb, recorded 2005-09-13

Topics: Energy, Environment History Science and Technology (general)

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Dr. Moira Gunn speaks with James Powerll, Executive Director, National Physical Science Consortium, and the author of "Grand Canyon -- Solving Earth's Grandest Puzzle." He tells us about the controversy around the beginnings of the Grand Canyon, and the present and future of its now-aging Glen Canyon dam.

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