How many of us have spent weeks rubbing together the batteries of our TV remotes to get a bit more life out of them before finally biting the bullet and buying some new ones? This could soon be an ...

In your home, you probably have a handful of gadgets that rely on batteries: remotes, smoke detectors, wireless keyboards. But instead of having to replace those batteries again and again, those ...

Solar lights work by storing the power of the sun during the day for use at night. Because these systems are small, they don’t require much energy to work and are usually pretty cost-effective.

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You can use multiple light sources to charge solar lights, but they work best with sunlight, so it's almost always better to leave them out in the sun. They use the same technology as solar panels, ...

It is 70 years since AT&T’s Bell Labs unveiled a new technology for turning sunlight into power. The phone company hoped it could replace the batteries that run equipment in out-of-the-way places. It ...

Google TV devices have a new remote option that uses indoor light to ensure it “never runs out of power.” In case you weren’t already aware, Google TV has a handful of reference designs for remote ...

New tech at Mobile World Congress could let you charge your phone when it's out in the sun or even under room lights. David Lumb is a senior reporter covering mobile and gaming spaces. Over the last ...

Good outdoor lighting dramatically extends the hours when you can enjoy your yard. It can make things safer by highlighting paths and walkways, or you can use it to showcase standout features like a ...