The new approach wastes far less light, saving energy.
Traveling on business these days means having the right information at the right time, packing light, saving money when possible and trying to enjoy at least part of the trip.
On morning runs, she is almost always alone in the darkness and dawn light, save for the occasional coyote or javelina, a wild pig as large as 50 pounds that roams Tucson streets in the dark.
What's this light saving homo up to anyway?
Vehicles equipped with start-stop engines, like hybrids, could be programmed to shut themselves down while they wait for the green light, saving fuel and wear and tear.
Andrade's research led her to spider-watching in western Australia, often laying underneath webs in the middle of the night, alone, with no light save for a single red headlamp.
Andrade's research led her to spider-watching in Western Australia, often laying underneath webs in the middle of the night, alone, with no light save for a single red headlamp.
Energy-efficient lighting saves 476,000 kilowatt hours a year, and the building recycles paper and uses sustainable Post-it notes and file folders.
The new LED lighting saves energy and highlights neglected features.
At 8 watts apiece rather than 68, LED bulbs in traffic lights save our cities $1,200 a year over incandescent bulbs per intersection.
