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Optical Tweezers

Unwind a chromosome to see how it’s put together? Sort cells with a light beam? Make a model of a molecular motor? All these and more—welcome to the world of optical tweezers, where cells and even individual molecules are manipulated with laser light. Read More »


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Laura Smoliar

Laura Smoliar became interested in physics at a young age – her mother was a physicist. “Sometimes I’d get to go to her lab,” Smoliar said. “It was a fun place. There were lots of toys.” Read More »


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Physics Buzz Blog

Another Side of Phobos

Wednesday, July 23, 2008

Today the camera eyes of the European Space Agency's Mars Express spacecraft will scrutinize the oddly shaped and pockmarked Phobos, as it makes its closest ever pass by the largest of Martian moons, gliding a mere 60 miles above its surface.The spacecraft will use all of its high-tech tricks to perform a thorough examination, taking 3-D images, mapping with a high-resolution camera, making precise measurements of the Phobos' mass and composition, and unleashing its subsurface probing radar .. Read more »