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What Makes Bridges So Strong?

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Published on May 13, 2015

A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain -- with blocks!

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SOURCES:
http://www.k5architecture.org/pdf/g2%...
http://www.pbs.org/wgbh/buildingbig/l...
http://www.childrensengineering.com/
http://www.design-technology.org/susp...
http://wyrk.com/busiest-bridge-in-wor...)

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