How to See Without Glasses
Can you keep Psy in focus? http://labs.minutelabs.io/Lenses/ And you can download Sean Carroll's audiobook for free at http://www.audible.com/minutephysics This video was produced from the...
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Vision is arguably the most compelling human sense. Words and stories and sounds allowus to imagine strange beasts and faroff worlds, but seeing makes us truly believe they exist.And that's why we place so much effort into correcting the optics of our eyes when theydon't work - whether with glasses or contact lenses or surgery. But if you're in a pinch,bleary-eyed or missing your glasses, there's a simple trick that will allow you to seeclearly - just make a tiny, tiny hole using your fingers, look through it, and the worldwill become clear again. This works no matter how blurry your vision is -- take off yourglasses and give it a try!Amazing, right?! But to explain this wizardry, we just need to remember how seeing works.Light travels out...
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Vision is arguably the most compelling human sense. Words and stories and sounds allowus to imagine strange beasts and faroff worlds, but seeing makes us truly believe they exist.And that's why we place so much effort into correcting the optics of our eyes when theydon't work - whether with glasses or contact lenses or surgery. But if you're in a pinch,bleary-eyed or missing your glasses, there's a simple trick that will allow you to seeclearly - just make a tiny, tiny hole using your fingers, look through it, and the worldwill become clear again. This works no matter how blurry your vision is -- take off yourglasses and give it a try!Amazing, right?! But to explain this wizardry, we just need to remember how seeing works.Light travels out...
