Water-powered fuel-cell hits store shelves in April

Keeping gadgets charged and ready can be a constant struggle. We’re not always withing cord-shot of an electrical outlet, and even when we are, there’s the nagging knowledge that most of that electricity comes from relatively dirty sources.

Hydrogen cartridges could power laptops and phones

Signa Chemistry has developed hydrogen cartridges which supply energy to fuel cells that recharge cell phones, laptops and GPS units.