http://en.wikipedia.org/wiki/Johannes_Diderik_van_der_Waals http://www.infoplease.com/ce6/people/A0850432.html_ Van Der Waals Forces http://www.youtube.com/watch?v=8qfzpJvsp04 _ Visualizing Van der Waals forces http://www.youtube.com/watch…

TOKYO_SUNRISE-06:23 SUNSET-16:31 MOON-06.3DAYS_ ancient crocodile cousins勤労感謝の日(Labor Thanksgiving Day), 手袋の日, 二の酉, 農業祭, 筆供養（正覚庵）, 外食の日, 各地神農祭, いい兄さんの日, いい夫妻の日, ふみの日, いい家族の日, 一葉忌, …