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16h 4min, oct 9, 1903 y - OCT 9, 1903, Edouard Benedictus accidentally discovered bullet proof glass in 1903 when he dropped a glass beaker in to some plastic cellulose nitrate.
Added to timeline:
12 Oct 2017
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Date:
16h 4min, oct 9, 1903 y
Now
~ 120 years ago