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The rare and colorful lights sometimes seen before major earthquakes could come from electric charges in certain types of rock.
One of Charles Bombardier's many wild concept vehicle designs, the Arrow, could be powered by lithium-air batteries with a range of over 370 miles.
Canadian "Star Trek" fan Line Rainville goes all-out in renovating her basement into a starship suite. She's even got a transporter and food replicators.
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With a massive coronal eruption from the sun, NASA warns of an approaching geomagnetic storm. While the effects will probably be mild, some power grid and satellite services could be disrupted.