Friday, April 29, 2016

How Do Glasses Help Us See? - Andrew Bastawrous and Clare Gilbert



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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