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I knew the first minute I saw Jennifer that she was the one. Jen was beautiful and the kind of person that everyone wants in their life: she listened, and when you talked with her you felt like you were the only person who mattered. 

A few months later I finally worked up the courage to ask Jen out, telling her, “I have a crush on you.” At the time Jen was living in New York and I was in Cleveland. We talked on the phone for hours and wanted to know everything about each other; after 6 months of long distance dating I moved to New York.
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A team of researchers at UC Davis have come up with a super-cheap way of turning an iPhone into a microscope — useful for diagnosing diseases in areas where medical equipment is hard to come by. Inspired by the CellScope project at UC Berkeley, Sebastian Wachsmann-Hogiu decided to create something even smaller and cheaper. By taping a 1-millimeter ball lens embedded in a rubber sheet to the iPhone, he was able to boost magnification by 5x, which allows the camera to photograph blood cells. Only a small portion of each image is in focus, so they also utilize focus stacking to achieve more usable photos.

The best part is the price — each lens only costs $30-40, and would be even cheaper if mass produced.

The Research Paper (via Digital Trends)