http://www.google.co.jp/search?hl=ja&rlz=1G1GGLQ_JAJP260&q=epr+%E7%92%B0%E5%A2%83&lr=&aq=0r&oq=epr+%E3%81%8B%E3%82%93

http://gigazine.net/index.php?/news/comments/20091227_led_actual_brightness/スペック＆価格編：http://gigazine.net/index.php?/news/comments/20091226_led_electric_bulb/カンデラ・ルックス・ルーメン：http://www.google.co.jp/search?hl=ja&rlz=1G…

http://online.wsj.com/article/SB126102247889095011.html?mod=googlenews_wsj http://www.wired.com/dangerroom/2009/12/insurgents-intercept-drone-video-in-king-sized-security-breach/ http://www.msnbc.msn.com/id/34465420/ns/technology_and_scien…