Netra turns smartphones into a $2 portable eye exam

via gigaom.com

Having got my first pair of bifocals recently, this two dollar smartphone add-on that tests vision just caught my eye. Pocketables recently picked up on the Netra, which was shown off in a at TEDxBoston event by Ramesh Raskar, Associate Professor of Media Arts and Sciences at MIT’s Media Lab. The Netra clips to a phone and users tap buttons on the touchscreen display until images seen in the Netra are aligned. The device can measure for nearsightedness, farsightedness and astigmatism.

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A Guide for Cramming for Exams

via cracked.com

Each year before the holidays, college students find themselves staring down the barrel of exam week. Fortunately, they're totally serious about learning the information and they aren't getting up from this desk until they do! Unfortunately, desperation can only be directly converted into high scores on reality TV. But this crawling panic and insane workload is a great learning experience. College is all about preparing for the real world, and this is one of life's favorite lessons to teach: you have screwed up badly and there will soon be a reckoning. How do you deal with that?

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