Mysteries of vernacular: Blast powder - Jessica Oreck and Rachael Teel

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-dynamite-jessica-oreck-and-rachael-teel

With an explosive meaning, the word dynamite's past is as historical as it is etymological. Jessica Oreck and Rachael Teel describe how Alfred Nobel invented dynamite.

Lesson by Jessica Oreck and Rachael Teel, animation by Jessica Oreck.

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