This Device Provides Clean Water for Pennies a Day. Photo: WaterconePassive Solar One Step Water Condensation FTW!
We wrote about the Watercone back in 2004, but considering how much TreeHugger's audience has grown since then, it's likely that only a handful of you were reading the site back then. I think it's time to have a second look at this very clever device that has the potential to help provide clean drinking water for millions of people who are lacking access to clean water (or if they do, maybe the access is intermittent and they could use a plan B). Snowflakes Up Close: A Small, Fragile World. If you’re one of those people who likes to ponder things while looking out a frosty window on a cold winter day, these pictures will clear up one of those long standing wonders: each snowflake really IS unique.
Some look like roman columns, others circuit boards or spaceships. Taken under high magnification using a microscope, these images bring a fragile and beautiful world into view. See Also HARMFUL VIRUSES MADE OF BEAUTIFUL GLASS They say that every snowflake is different. Amazing Word Clock. Emergency and Disaster Information Service.