Artificial light


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Artificial light

Illumination produced by an electrical process, or the burning of fuel.
References in periodicals archive ?
Researcher Sander Kooijman said: "The increasing prevalence of obesity is associated with a disrupted sleep-wake pattern in humans and coincides with the availability of artificial light.
A growing body of research documents that artificial light is a disruptive pollutant for wildlife, says biogeographer Travis Longcore, science director of The Urban Wildlands Group in Los Angeles.
The festive birds are able to feed for longer because of artificial lights such as street lamps, but they are not getting fat because they regulate their food intake, a study by Cardiff University shows.
The artificial light reflects off low clouds, or moisture and dust in the air, creating "sky glow," says Travis Longcore, an ecologist with the Urban Wildlands Group, a conservation organization in Los Angeles, California.
They could possibly operate using light sensors that detect the amount of daylight remaining which in turn would close the blinds to block out the amount of artificial light omitted from the store at night, or they could be closed manually.
And women in more developed countries which have a "24-hour society" and high levels of artificial light are five times more likely to get breast cancer than those in less developed countries.
|University researchers light can sea clog The experts from Bangor University say measures must be taken to combat the Dr Tom Davies, a former Bangor PhD student who is now at the University of Exeter's Environment and Sustainability Institute, said: "We know that artificial light at night alters the behaviour of many marine animals, but this is the first study to show that it can disrupt the development of ecological communities in the marine environment.
But what effect does artificial light have on the time-of-day and seasonal organisation of these urban animals?
VANISHING ACTS For now, a gap remains between the new measurements of artificial light and documentation of its biological effects.
ARTIFICIAL light could increase your risk of cancer.
"It hasn't been until recently that we started to realise that artificial light, as we see it or are exposed to it in the evening, will have an effect on our alertness and subsequent sleep," the BBC quoted him as saying.
"Breast tumors are awake during the day, and melatonin puts them to sleep at night" Add artificial light to the night environment, and "cancer cells become insomniacs," he says.