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.
Dieters know the powerful temptations of just seeing or smelling food. Certain odors might have such a strong effect as to actually change the body's metabolism and lead to an early grave. At least, that's the case for fruit flies on a diet, according to Science Now.
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.