Wind turbines stand on horizons like strange colossuses. Their distinctive shape and great size make them hard to miss -- even by radar systems. The giants can obstruct signals, giving countries the uncomfortable choice of either not having radar somewhere or passing up on renewable energy. To bypass this issue, French turbine makers EDF Energies Nouvelles have developed new wind turbines that utilize stealth technology, to catch only wind, not radar signals.
The electrical power of the future just might be waiting in ashtrays across the world. Researchers in South Korea discovered that, with a one-step conversion process, cigarette filters turn into great supercapacitors. This is great news for anyone who wants new electronics that smell like Bourbon Street at 3 A.M.