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Stories about: lensing

Weak Gravitational Lensing Research Gets Boost One of the most used methods of analyzing the distribution of dark matter throughout the Universe is called weak gravitational lensing (WGL). At this point, our technology has not yet evolved to a point where we can observe the elusive stuff directly, so we must rely on indirect observations to assess some of its mos... 20 January 2010 05:10 GMT