Wednesday 14 September 2011

A Good News Story: Making Light with the Sun, Water and Liter Bottles

I was going to write about rising rates of poverty and inequality in Canada and the US today, but I came across this good news story. It's a gray day, so why not focus on the light?

The simple technology uses a liter of distilled water in a plastic bottle, bleach, to make the equivalent of a 55 watt bulb that apparently will continue to glow after the sun sets.

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