About HASHIMOTO Takehiko
About Univ. Tokyo, Tokyo
About Historia Scientiarum
About crack
About electric discharge
About ice crystal
About morphology (form)
About mold and pattern
About dress pattern
About 電気スパーク
About snow crystal
About morphology
About feature
About Fatigue in general
About Physics of precipitation and cloud
About 亀裂
About スパーク
About 雪結晶
About 観察
About 学生
About 形
About 物理