News of the WeekCosmology

Math Trick May Cause Tension Headache

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Science  22 Jun 2001:
Vol. 292, Issue 5525, pp. 2230
DOI: 10.1126/science.292.5525.2230a

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By reanalyzing the basic equation of general relativity--which treats space and time as a stretchy membrane--a physicist has discovered that magnetic fields tend to flatten and stiffen the fabric of space-time. The discovery might force cosmologists and astronomers to reexamine how magnetic fields have shaped the evolution of the cosmos.