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In 1942, the Manhattan Project needed to create a chain reaction—a crucial step toward proving that it would be possible to make an atomic bomb. The scientists achieved this sustained nuclear reaction ...
No. 3 May, 2010 pp. 1401-2180 No. 2 March, 2010 pp. 619-1400 No. 1 January, 2010 pp. 1-618 ...
Sixty-one rods were unearthed between 2004 and 2008 in Xi'an, Shaanxi province, at the Qin Mausoleum of Shenheyuan for royalty during the Warring States Period (475-221 BC). Provided to China Daily ...
What began with a focus on weather forecasting has evolved toward addressing errors in scientific modeling. In the collaborative environment of the Penn State Institute for Computational and Data ...
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