Traffic lights on California’s state highways will soon begin using
light-emitting diodes. The new lights, which pack about 300 individual LEDs into
each lamp, consume about one-sixth the energy and last ten times as long as the
old incandescent bulbs. What’s more, motorists can see the LEDs just as well as
conventional traffic lights, according to researchers at the University of
California at Berkeley.
More from 91av
Explore the latest news, articles and features
Popular articles
Trending 91av articles
1
Largest-ever octopus was great white shark of invertebrate predators
2
Why your opinion of used electric vehicles is probably wrong
3
Symptoms of early dementia reversed by bespoke treatment plans
4
Is stem cell therapy about to transform medicine and reverse ageing?
5
QBox theory may offer glimpse of reality deeper than quantum realm
6
Surprising male G-spot found in most detailed study of the penis yet
7
We need more radioactive drugs. Can we make them from nuclear waste?
8
The profound effect the heart-brain connection has on your health
9
The exercises you need to do to reach 100 in great shape
10
We might finally know how to use quantum computers to boost AI
