Ever curious, Nergis Mavalava knew from a young age that she wanted a career that involved math and science. As a physics professor at MIT, she studies gravitational waves using the Laser Interferometer Gravitational-wave Observatory (LIGO)--the most sensitive meter ever operated. Although gravitational waves are predicted by Einstein's theory of general relativity, they are very difficult to observe. Scientists, including Mavalava, hope that LIGO will soon help them "see" the universe in a whole new way.
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