If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this problem ...
Over the decade, the solid-state lighting sources based on white light-emitting diodes (LEDs) has improved to overtake incandescent and fluorescent lighting types because of many advantages such as ...
President Obama set what he considers an ambitious goal for reduced energy consumption during his State of the Union address Tuesday night: “Let’s cut in half the energy wasted by our homes and ...
Climate-smart urban and controlled-environment agriculture systems, such as greenhouses, indoor vertical farming, shipping container farming and high tunnels, and outdoor farming are the focus of ...
Solid-state lighting (SSL) differs from conventional lighting in that it uses light-emitting diodes (LEDs) instead of filaments, plasma, or gases. Although still relatively early in its development, ...
Forget what you remember about your parents’ outdoor lights. The days of heavy, overbearing, even noisy outdoor lighting are over. LED exterior lighting is all the rage. Becoming popular starting ...
Light pollution has increased worldwide because of the prevalence of energy saving LED lights. However, the problem isn’t with the lights themselves — but the fact that the world is getting brighter ...
LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Lighting affects us both physiologically and psychologically. We ...