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The story behind your glasses - Eva Timothy

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 Physics   |   Science
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View full lesson: http://ed.ted.com/lessons/the-story-behind-your-glasses-eva-timothy

What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.

Lesson by Eva Timothy, animation by Matt Snyman.

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