05/05/2008	[Bedroom]-[The story behind Research]
10/08/2007	[Science for children]-[Special theory of relativity (Simultaneous?)]
09/28/2007	[Workshop]-[Introduction,What are Semiconductors ?]
07/30/2007	[Children's Room]-[Square Number]
07/13/2007	[Ground]-[Left-handedness is the best bet]
05/23/2007	[Photograph album]-[Tozai line, Kiba station]
04/04/2007	[Photograph album]-[Hoken Iryo (Health Care) College]
03/01/2007	[Trophy]
02/25/2007	[Photograph album]-[Yamagata Prefectural Government]
02/10/2007	[Photograph album]-[Kawagoe station, Oomiya station]
02/04/2007	[Photograph album]-[Kooriyama station, library]
10/29/2006	[Photograph album]-[Kanabara Tomb/Nezumochi Tomb]
08/30/2006	[Ground]-[Techniques to playing third base]
06/18/2006	[Photograph album]-[Kawanishi No.2 Junior High School]
05/13/2006	[Photograph album]-[Bunsyokan]
02/18/2006	[Bedroom]-[The story behind my work on the "Application to Taylor Expansion"]