How do glasses help us see? - Andrew Bastawrous and Clare Gilbert
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Today, glasses help millions of people with poor vision be able to see clearly. But how? Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction — the ability of a transparent medium, like glass, water, or the eye, to change the direction of light passing through it.
Lesson by Andrew Bastawrous and Clare Gilbert, animation by Andrew Foerster.
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