PC amber light IDA International Dark Sky Friendly Lighting amber color 1700K LED street light. 50000 hours lifespan, IP66, and ROHS certified. Ideal for outdoor lighting.| Alibaba.com
Our Cocoweb team has some GREAT news: Our light fixtures have officially been certified as Dark-Sky compliant! This is a big step for our company that we are amply proud to announce. Now, before we get into why Dark-Sky compliant light f
~International Dark-Sky Association, "Outdoor Lighting Basics," darksky.org, established 1988 Dark skies-friendly lighting checklist: 1. Is the light necessary? 2. Is it on only when needed, or should it be on a timer or a sensor? 3. Is it fully shielded: does the light point only ...
DarkSky West Marin is a community-led initiative dedicated to preserving the night sky in this environmentally rich and uniquely biodiverse region, and is formed by West Marin citizens working closely with County Supervisor Dennis Rodoni, the Point Reyes Station Village Association & the Point Reyes...
题目Look up at the sky at night.What can you see?Before electric lights(电灯),people could often see about 2,500 different stars.Now,light fills the skies over our cities.This is called light pollution.Because of it,people in cities can often only see about ten stars...
The alien could just as easily have been explained as a genetic mutation created in a lab, as there is really nothing to suggest it's extra-terrestrial origins. (Other than the characters coming to the conclusion that it's an alien, and a comet streaking across the city skyline in the ...
LED installations have worsened light pollution. Steering a path toward reducing the problem requires more than just buying some energy-efficient fixtures. Cities must develop dark-sky-friendly policies, and lighting professionals need to design and manufacture products that enable those policies to succe...
(good).For example,many street lights now have(6) covers(cover).They focus the light towards the ground.They stop the light from(7) going(go) into the sky.They also save energy.They are a small change,but they can still have a positive effect....
, + 'might be things worth having still inside.' + ], + notification: "the towers of a decaying city dominate the skyline", + buttons: { + 'enter': { + text: 'explore', + nextScene: {0.4: 'a1', 0.8: 'a2', 1: 'a3'} + }, + 'leave': { + text: 'leave', + next...