By Juliet Eilperin
Posted 06.16.2011 at 10:17 am 10 Comments
In 2005, Eric Stroud, the managing partner of Shark Defense, a New Jersey company that specializes in shark-repelling technologies, happened to be carrying a rare-earth magnet as he passed a tank full of sharks. The sharks fled, and Stroud took note. After further tests, Stroud and his colleagues found that sharks that came within 20 inches of rare-earth magnets similar to the one he had been carrying would consistently swim away.
The World Wildlife Federation announced the creation of its first file format, WWF, designed as a replacement for PDF. It's essentially identical to PDF, except for one key difference: It can't be printed. The WWF hopes this will reduce unnecessary paper use, or at least bring some attention to the fact that lots of paper use is unnecessary.
It’s no secret that the world is warming, but a new report published by the World Wildlife Fund suggests we may not have as much time to mull solutions as we think. If the world doesn’t commit to green technologies by 2014, the report says, runaway global warming and economic meltdown are all but unstoppable.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.