Gunther Kletetschka is a University of Alaska Fairbanks Associate Professor who, along with many other minds, collaborated to bring about NASA’s James Webb Space Telescope.
FAIRBANKS, Alaska - Gunther Kletetschka is a University of Alaska Fairbanks Associate Professor who, along with many other minds, collaborated to bring about NASA’s James Webb Space Telescope.
“It’s always because I know about magnets and magnetism.” Kletetschka explained. “There was a meeting at Goddard Space Flight Center and I happened to be at that meeting, and they were just saying, ‘Oh, we have this problem. We have this magnet which we are trying to open these micro shutters, but it’s not working because the magnet has to be too close and it’s damaging all that very thin layer of little lithography propagation.
“It was many years of work,” Kletetschka elaborated. “It started with the magnet. Then we thought, ‘Hmm, we have to open it at low temperature, not that we can do it at room temperature. But what if we do it at low temperature?’ So we dropped everything. It was very close to 50° Kelvin above absolute zero. Once we did that, the magnet I was experimenting with suddenly was not working.
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