What Makes Pumice Float

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=Zt7_k_lZZxk

This 3-D rendering, produced using X-ray microtomography at Berkeley Lab’s Advanced Light Source, shows a cube-shaped sample of pumice (blue-gray) and pockets of trapped gases (other colors). The X-ray studies helped scientists uncover how gas becomes trapped by surrounding liquid, causing pumice to float on the ocean's surface for prolonged periods. • Credit: Berkeley Lab, UC Berkeley • News story - http://bit.ly/FALLingRock • Subscribe so you don't miss a video - / berkeleylab • • Instagram: / berkeleylab • Twitter: / berkeleylab • Facebook: / berkeleylab • More Berkeley Lab news: http://bit.ly/BerkeleyLabNews

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