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The article was orginally published at: TED Talk: Josh Silver Demonstrates Ultra-Utilitarian Liquid-Filled Eyeglasses
Nearly a year ago we talked about Josh Silver, an inventor working to bring affordable eye glasses to everyone in the world who needs them. He invented a set of glasses where the prescription can be easily changed by adjusting an amount of liquid in the lenses. He recently gave a demonstration of the device during a TED talk. Click through to check it out. …Read the full story on TreeHugger
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