Research and education quanta of an experimental physicist

ACCESS CHILDREN WIDGETS IN QMAINWINDOW USING QT CREATOR

Jul 15, 2015 learning Qt

widgets dragged to centralWidget area need to be laid 
out

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J1 WITHOUT TWO YEAR HOME COUNTRY PHYSICAL PRESENCE REQUIREMENT

Jul 15, 2015 career J-1 visa US

Three undergraduate students from the Department of Engineering Physics of the Tsinghua University, Beijing, China, arrived at USD last week and will spend one and half month here as summer interns. They came here with J-1 visas. Normally, when they go back from here, they will have to stay in China for two years before they can apply again for J-1 visas to study in graduate schools in US. However they just finished the third year study in their university and want to come to US as graduate students next year. In order to allow them to do so, USD helped them obtain the waiver of the exchange visitor two-year home-country physical presence requirement. This way, they can come to gain research experience at USD without worrying any delay in their applications to US graduate schools a year later.

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LEARN ROOT ON WINDOWS

Jun 29, 2015 learning Windows ROOT

ROOT is a set of C++ libraries for statistic analysis of large data sets encountered in experimental particle physics. It comes with nice command-line and graphic user interfaces and a lot of tutorials and documentation to help people get familiar with its usage. However, it is normally compiled in Unix-like operating systems and accessed from command line. It takes very long for students who only use Windows to get familiar with Unix/Linux SHELL commands before they start to learn ROOT.

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MULTIPLE TERMINALS WITHIN ONE SSH SESSION USING GNU SCREEN

Jun 22, 2015 learning screen Linux

GNU screen with running commands shown in window title 
bar

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OPEN PS FILE WITH IMAGEMAGICK DISPLAY

Jun 20, 2015 learning Linux

ps file shown in ImageMagick 
display

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About

Blogs on physics research and educational activities of Jing LIU, an assistant professor in physics at the University of South Dakota. He is an experimental physicist developing novel particle detectors for astroparticle physics and civil use.