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In most superconductors, electrons (represented by white specks in the image) pair off to conduct zero-resistance electricity. A copper-based superconductor, however, has many of its electrons unpaired. Instead, they form an elusive order as shown by the orange peaks and blue troughs.
Journalists wishing to reproduce this image for news stories about related research should include the following image credit: Greg Stewart, SLAC National Accelerator Laboratory.