Edgar Choueiri, a professor of mechanical and aerospace engineering, has developed a way to record three-dimensional sound and play it back over regular loudspeakers, such as those on televisions and computer laptops.
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Two Princeton engineers -- a materials expert and a rocket scientist -- came from societies where science blossomed for a time and then atrophied. Both left their native countries to earn their scientific credentials and now find themselves drawn home to give back to the societies where they were first inspired.
