This conceptual lamp provides light to an owner's home through the awesome natural power of photosynthesis...but it requires some care before it illuminates.

Are we making the most of the creative possibilies of LEDs? Take these four ways of making our lighting wacky yet practical, fun yet functional - and ask yourself, do we really need 'bulb-shaped' bulbs?

The quality of light in a photograph can determine the overall mood and tone of the image. These photographs are all stunning in their study of natural light.