ttp://www.ednjapan.com/content/d_ideas/d_ideas.html

http://science4.2ch.net/test/read.cgi/denki/1125590031/432
http://science4.2ch.net/test/read.cgi/denki/1125590031/663
http://science4.2ch.net/test/read.cgi/denki/1122082547/875
http://science4.2ch.net/test/read.cgi/denki/1104677371/551
http://science4.2ch.net/test/read.cgi/denki/1126195730/150
http://science4.2ch.net/test/read.cgi/denki/1118335322/320
http://science4.2ch.net/test/read.cgi/denki/1119184421/867
http://science4.2ch.net/test/read.cgi/denki/1115114403/661
http://science4.2ch.net/test/read.cgi/denki/1110061778/190
http://science4.2ch.net/test/read.cgi/denki/1072616367/561
http://science4.2ch.net/test/read.cgi/denki/1079990658/412
http://science4.2ch.net/test/read.cgi/denki/1121496477/400
http://science4.2ch.net/test/read.cgi/denki/1108205965/457
http://science4.2ch.net/test/read.cgi/denki/1122092255/938