May Festival Open Lecture 2012
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Content List
Why Did Specialists in Radiation Lose Their Reliance?
This lecture traces how the specialists in radiation had been losing their reliance after the Tohoku disaster. Right after the Fukushima nuclear power plant accident on March 11, 2011, radiation specialists who related to the Japanese government announced that the radial rays won’t undermine human body. On the other hand, a number of facts were reported as the radiation affects human health, and …
Past and Future of Itokawa Asteroid Discovered by Hayabusa Particles
Hayabusa, an unmanned spacecraft was launched in 2003 and arrived a small asteroid named Itokawa in 2005. After Hayabusa collected sample of Itokawa’s surface, it successfully returned to the earth in 2010. The number of samples Hayabusa brought amounted over 1,500, and almost of them were smaller than one tenth of a millimeter. This lecture unveils Itokawa’s history based on the results of resea…
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