Arizona PBS Previews

Forces of Nature: Shape

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“Shape” – We can't directly see the forces that govern Earth, but we can see their shadows in the shapes of nature that surround us. If we understand why these shapes exist, we can understand the rules that bind the entire universe. (Also Fri. 9/16 at 2 a.m.; Sat. 9/17 at 6 p.m.; Sun. 9/18 at 3 p.m.)

Aired: 09/14/16 | Expired: 09/18/16 | Rating: NR

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