In spite of their high lighting efficiency, the cost of high-brightness (HB) LEDs for commodity applications is not low enough yet to compete head-on with older forms of lighting such as incandescent ...

Solar day lamps (SDL) are simple and cost-effective. A few examples of SDLs have been described in [1], [2] and [3]. An SDL without any energy storage element suffers from frequent changes in the ...

Whether they’re flanking walkways or illuminating corners of your driveway, the best post lights are functional additions to any exterior space. We’re always on the hunt for more style-forward ...