Why? In most rural areas of the developing world, people rely on fuels such as kerosene that are dangerous and pose serious health problems. The Solar-Rechargeable lamp is both a safe, electrical ...

Recharge smartphones and gadgets using sunlight, reducing electricity consumption while providing reliable backup power during travel and out ...

Best Solar Batteries of 2026 A good solar battery doesn’t just save energy — it saves the day when the lights go out. Check out CNET’s favorite picks for reliable backup power.

When the sun goes down, solar panels stop working. This is the fundamental hurdle of renewable energy: how to save the sun’s power for a rainy day — or a cold night. Chemists at UC Santa Barbara have ...