http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DPeople;f2-associated-Lesson%3DX-Ray%20Science Results for your query: expand=subject;f1-subject=People;f2-associated-Lesson=X-Ray Science Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/FNAL-Linsley-Volcano-Ranch/FNAL-Linsley-Volcano-Ranch.dc.xml (Left) John Linsley at Volcano Ranch. On February 22, 1962, Linsley observed an air shower created by a primary particle with an energy greater than 1020 eV, the highest energy cosmic ray observed up to that point. If a particle of this energy was created within the galaxy, it could not be contained in the galaxy. Linsley’s observations at Volcano Ranch suggested that not all cosmic rays are confined within the galaxy, as had been previously supposed. (Right) The plan of Volcano Ranch array in 1962, as it looked when Linsley made his observation. The circles represent 3.3 m2 scintillation detectors. Numbers near circles are shower densities (particles/m2) registered in the event. Point 'A' is the estimated location of the shower core. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/FNAL-Linsley-Volcano-Ranch/FNAL-Linsley-Volcano-Ranch.dc.xml Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/George-Clark-Harvard/George-Clark-Harvard.dc.xml George Clark’s graduation picture from Harvard University. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/George-Clark-Harvard/George-Clark-Harvard.dc.xml Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/MIT-Rossi-BBR-45/MIT-Rossi-BBR-45.dc.xml Professor Bruno Rossi supervises as a student assembles equipment for a cosmic ray balloon experiment in 1948. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/MIT-Rossi-BBR-45/MIT-Rossi-BBR-45.dc.xml Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/SSP-1945-winners/SSP-1945-winners.dc.xml Winners of the 1945 Westinghouse Science Talent Search assemble with Vice-President Harry S. Truman. George Clark was among the top ten finalists who were selected as winners. He stands 6th from the left in the back row. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/SSP-1945-winners/SSP-1945-winners.dc.xml Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/MIT-Clark-Kraushaar-1956/MIT-Clark-Kraushaar-1956.dc.xml Professors William Kraushaar and George Clark close the air-tight cover on the balloon gondola that carried the second of their two (unsuccessful) balloon experiments in search for high-energy cosmic gamma rays. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/MIT-Clark-Kraushaar-1956/MIT-Clark-Kraushaar-1956.dc.xml Thu, 01 Jan 1970 12:00:00 GMT