Categories
physics science

Blue GaN LEDs take over Christmas

Since Shuji Nakamura’s first commercialization of GaN LEDs (read the Blue Laser Diode Book) LEDs are progressing rapidly to make the US$ 400 Billion global lighting industry more environmentally friendly, reducing CO2 output and reducing electricity bills for lighting dramatically. Recently rail stations in Japan have begun to test plug-compatible replacement of fluorescent tubes by […]

Categories
urban

Speech by Japan’s Chief-Cabinet Secretary Takeo Kawamura (河村建夫)

Japan’s Chief Cabinet Secretary Takeo Kawamura (河村建夫) gave a speech at the Foreign Correspondents Club on December 17th, 2008. Kawamura is born in Hagi (Kawaguchi-ken – a beautiful Castle Town in the west of Japan’s main island, which is also host to many famous potters). Kawaguchi was Education Minister in Prime Minister Aso’s cabinet. In […]