A representation of the brain is laboriously formed from thousands of drops of melted solder using a soldering iron. Enclosed in resin and put onto a plinth made from the melted iron burner, 'Light of thought' is not only a lighting object but also a specimen.

Kouichi Okamoto, born 1970 in Shizuoka City, Japan, has been releasing his sounds on the Dutch techno label X-Trax since 1997. He founded Kyouei design in 2006.