BROOKHAVEN NATIONAL LABORATORY / SCIENCE PHOTO LIBRARY BROOKHAVEN NATIONAL LABORATORY / SCIENCE PHOTO LIBRARY
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Growing superconductor crystals. Infrared furnace used to grow superconducting crystals. This furnace focuses infrared light onto a rod, melting it at temperatures of about 2200 degrees Celsius. Under just the right conditions, that liquefied material recrystallizes as a single uniform structure. US physicist Genda Gu pioneered techniques that grow some of the largest single-crystal high-temperature superconductors in the world. The materials grown by those gold-lined instruments typically take a month to form. Brookhaven National Laboratory, New York, USA. Photographed in 2009.
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