off topic:

a liter of light. | Ein Liter Licht

ein interessantes Projekt welches mMn. Unterstützung verdient.


About Liter of Light

Our latest project is the Liter of Light or Isang Litrong Liwanag. It brings the eco-friendly bottle light to communities living without electricity.

The Technology

What do you get with sunshine and an old plastic bottle filled with water and chlorine? Thanks to Alfred Moser and a group of MIT students, you get a 55-watt solar bulb that refracts sunlight! It’s powerful enough to light up a home but more than that it’s environmentally friendly, inexpensive, and easy to make