timothy from the completely-beats-cow-dung dept.
New submitter DancesWithWolves writes "The BBC reports on Alfredo Moser, who came up with a way of illuminating his house during the day without electricity — using nothing more than plastic bottles filled with water and a tiny bit of bleach. In the last two years his idea has spread throughout the world. It is expected to be in one million homes by early next year.'"
The reason that every major university maintains a department of
mathematics is that it's cheaper than institutionalizing all those people.