When scientists at the National Renewable Energy Laboratory (NREL) tried to apply their expertise in solar cell technology to build a green LED light from the ground up, they surprisingly centered the ...

I remember my father constantly fiddling with the weird, silver dome work light clamped above our Sears radial arm saw as he showed me how to use it. Or standing on the bumper of his Chevy flatbed, ...

Learn why LED lights are a much more efficient lighting alternative. Thomas Edison perfected the first incandescent light bulb in 1879. It burned for 13.5 hours. And incandescent bulbs are still ...