School of music
Thinking Aloud
Speed of Light
Most of us will probably think about space and time on a superficial level. On today's Thinking Aloud, BYU Philosophy Professor David Grandy will illuminate us on space, time, and light. Grandy is the author of "The Speed of Light," a book about light, the universe, and where we fit in.—Original airdate: 10/19/2009

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