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Measuring our Future in Science and Technology
John Hall describes the history and evolution of measurement standards, like the metre and second, from the Ancient Greeks' star gazing to the world's most accurate atomic clocks.
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Main Lecture, Chongqing University
Five years after receiving the Nobel Prize for his discoveries relating to the Optical Frequency Comb, John Hall has far reaching ambitions for its exciting applications.
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Student Ambitions in China
Students at Chongqing University filled the seminar room where John Hall took questions on everything from running a laboratory to women in industry.
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John Hall meets Wang Di
Following his lecture on the Optical Frequency Comb, John Hall sat down with engineering student Wang Di for an informal discussion.
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