Pretty cool stuff. With Silver's glasses, you can adjust the glasses on your own, without the need of an optometrist.
http://www.ted.com/talks/josh_silver...yeglasses.html
http://www.vdw.ox.ac.uk/
http://www.ted.com/talks/josh_silver...yeglasses.html
http://www.vdw.ox.ac.uk/





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