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Citations L. P. Gaffney et al. Studies of pear-shaped nuclei using accelerated radioactive beams. Nature. May 9, 2013. doi: 10.1038/nature12073. [Go to] Further Reading T. Siegfried. Atomic anatomy. Science News. Vol. 179, May 7, cheap real jordans , 2011, p. 30. [Go to] A. Grant. Proton’s radius revised downward. Vol. 183, February 23, http://cheapjordansstock.com , 2013, p. 8. [Go to] Atomic nuclei come in many shapes and sizes, cheap wholesale jordans , and scientists have now obtained precise measurements of an elusive form: pear-shaped. Studying these exotic nuclei, cheap jordans , which are described in the May 9 Nature, cheap Authentic jordans , could allow physicists to better understand subatomic structure and to find new particles and forces, cheap air jordans . “It’s a beautiful, clear-cut result of a very careful experiment,” says Christopher Lister, cheap jordans for sale , a physicist at the University of Massachusetts in Lowell. Diagrams in middle school textbooks depict atomic nuclei as spherical, but the real story is a lot more complex. Protons and neutrons are jam-packed into a space just 10-15 meters wide, held together by a crushing force that dwarfs that of gravity. At the same time, cheap jordan shoes , the subatomic particles constantly move, shifting around and sometimes warping the nucleus into the shape of a football or even a flattened disk. http://www.markpreston.../dp/node/2#comment-436640 http://users.atw.hu/lp...rum_topic&topic=10804 http://users.atw.hu/pr...ews_comments&newsID=2 |