jackets

Soldiers sometimes lug more than 30 pounds of batteries to run GPS units and other critical gear, so San Francisco company Ardica set out to give them a lighter power pack. Now a civilian version lets the rest of us charge our phones—and stay warm. Ardica’s Moshi Power System is the first to charge your heated winter clothes, like this jacket from Mountain Hardwear, and your gadgets.

Winter should be winding down, and if you're in the Northeast, you might even think that's Spring up ahead. But don't get too comfortable. It’s still cold and snowy in much of the U.S. and, if the forecasts are correct, there's more to come.