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<DATE> May 11 (Friday) 17:30-19:00 / <Venue> Information Room 1&2
<Theme> Is time machine feasible? Atomic clock and Urasushima effect"

Lecturer：Dr.Toshio Torii…Professor, Integrated Sciences, University of Tokyo

　90students participated because of attractive topic. It was a largest number of participants since this program has started. Due to large number of participants we used two rooms of information room 1 and 2 as a venue.
　The lecturer used the movie "Interstellar" as an introduction of the session. The session started with the fact that the time machine is physically possible due to the different time depending on the gravity difference. Lecturer introduced theory such as Einstein's theory of relativity and the formula of quantum theory, GPS function is managed by correcting "time lag", "1 second definition" will change in the future. Although it was quite interesting contents for 3rd grade students, it was a little advanced for the first grade students.
　Some students said " it was little too difficult" and others said "it is the lecture of Tokyo University!"