Saving the Gulf of Mexico with Helium, String and a Digital Camera
On top of the online reporting system for damage from the BP spill that popped up earlier, here's more crowdsourcing from the Gulf of Mexico: a group called Grassroots Mapping is helping folks on the coast map the extent and at least some of the effects of the oil slick. The tools? A digital camera, a big kite or a helium balloon, and a really, really long piece of string.