時を極める
Measuring very tiny interval of time

光の科学−未来を照らす究極の技術とアイデア(学術俯瞰講義)
第6回 時を極める
香取秀俊
Science for Light-Supreme technology and ideas for an illuminating future (Global Focus on Knowledge)
#6 Measuring very tiny interval of time
Hidetoshi Katori