5 Things to Know Before Buying a Cordless Power Tool

There's no better way to say "Merry Christmas, dear friend" than with a double-bevel compound miter saw or a heavy-duty 18V impact driver. But before you pick up a cordless tool for that special someone, keep these five things in mind. » 11/29/10 1:00pm 11/29/10 1:00pm

Giz Explains: Batteries, Tech's Choke Point

The biggest chokepoint in technology is a single roadblock: batteries. Amidst all of the amazing advances in the last 50 years, battery tech has remained fundamentally unchanged, engineers incrementally squeezing out a few extra drops of power from old tech each year. With better batteries, you wouldn't just be able… » 8/27/08 2:00pm 8/27/08 2:00pm