Hi! My name is Cédric Bozzi, I make websites and iOS apps, and this is my blog about technology (mostly a Twitter archive, really).

25 November

@Rainmaker1973:

GravityLight is an LED light powered by a bag filled with rocks, attached to a cord, which slowly descends and powers the light for up to 20 minutes. Intended as a replacement for kerosene lamps in the developing world it has no operating costs [buff.ly]