The Re-Inventors

Season 1 Episode 9

Earthquake Detector

Aired Wednesday 9:00 PM Nov 03, 2010 on Smithsonian Channel
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Episode Summary

Earthquake Detector
The “Didong Yi” was designed in the 2nd Century A.D. to warn the Imperial Court of impending earthquakes. Join the Re-Inventors as they set out to re-create and test this amazing device, and see if it actually worked. Reconstructing the ornamental detector was the easy part. Creating the homemade earthquake using trucks, concrete slabs and explosives was the real challenge!moreless

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