HAMILTON, Mont. — For many of us, doing laundry is a boring chore, unless you don't have a washing machine, or a place to put one. Then it's one of the most elemental necessities that you miss. That's ...

PHILADELPHIA (CNN) --Imagine doing laundry in a flash -- just by hanging your clothes outside. Or what if you could get rid of that coffee stain just by standing under a bright light? Researchers in ...