Spiderwebs to sky-scrapers
by
Hands-on experiments introduce natural and manmade structures such as a bird's nest and skyscraper and such structural elements as arches, domes, trusses, and beams.
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Hands-on experiments introduce natural and manmade structures such as a bird's nest and skyscraper and such structural elements as arches, domes, trusses, and beams.
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"Hands-on experiments introduce natural and manmade structures such as a bird's nest and skyscraper and such structural elements as arches, domes, trusses, and beams."
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