'Force Field' to Protect Lunar Astronauts From Space Radiation

Opposite charges attract. Like charges repel. It's the first lesson of electromagnetism and, someday, it could save the lives of astronauts.
NASA's Vision for Space Exploration calls for a return to the Moon as preparation for even longer journeys to Mars and beyond. But there's a potential showstopper: radiation.

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<p><a href="http://www.physorg.com/news4752.html">'Force Field' to Protect Lunar Astronauts From Space Radiation</a></p> <p> Opposite charges attract. Like charges repel. It's the first lesson of electromagnetism and, someday, it could save the lives of astronauts. <br>NASA's Vision for Space Exploration calls for a return to the Moon as preparation for even longer journeys to Mars and beyond. But there's a potential showstopper: radiation.</p>