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If one looks at the grains of sand trickling through an hourglass, they naturally form a pyramidal shape
Full Transcript
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If one looks at the grains of sand
00:00:02.096 --> 00:00:04.058
trickling through an hourglass,
00:00:04.058 --> 00:00:07.042
they naturally form a pyramidal shape.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.