When the power goes out or the trail gets dark, a reliable flashlight can make all the difference. But why rely on batteries when you’ve got the sun? A solar-powered flashlight is a smart, sustainable ...

Troy, N.Y. – No matter which way you look at it, the notion of harvesting energy from the sun to power our homes and businesses is more absorbing than ever. Researchers at Rensselaer Polytechnic ...

Solar cells are an increasingly important source of renewable energy, but there’s still room for improvement. Stanford engineers have now developed a pyramid-shaped lens that can focus sunlight from ...

At last week’s Greener Gadgets conference in New York, SunNight Solar chief executive Mark Bent admitted to having a problem that most execs would kill for in these tough economic times: too many ...

Researchers have discovered and demonstrated a new method for overcoming two major hurdles facing solar energy. By developing a new antireflective coating that boosts the amount of sunlight captured ...