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Latest Light pollution Stories

american cities
2014-12-31 13:08:14

Eric Hopton for redOrbit.com - Your Universe Online Images of the Earth at night are an exceptional source of human geographical data, as artificial light illustrates human activity in a way that daytime images could never do. Some of those images have shown that, when night falls, American cities are many times brighter than their German counterparts, and that those German cities emit several times less light per capita than comparably sized American cities. The findings have been...

2014-12-03 12:32:25

WORCESTER, Mass., Dec.

2014-10-15 23:03:57

LED lighting company, Solid Apollo LED, introduces range of slim modern LED light bars for easy mounting and energy savings Seattle, WA (PRWEB) October 15, 2014

2014-08-19 16:26:18

LONDON, Aug.

Constellations of lights
2014-08-15 08:53:03

NASA has compiled over a million pictures of Earth captured from the International Space Station, and now researchers are looking for your help in cataloging the nearly one-third of those images that were taken at night.

Preventing Streetlight Glare In The New World Of LED Lighting
2014-07-22 03:17:15

Long hours of nighttime driving can cause eyestrain because while our vision adapts to the surrounding darkness, the sudden stabs of brightness from streetlamps can be irritating, distracting and even painful.

2014-07-09 16:22:03

TAIPEI and KAOHSIUNG, Taiwan, July 9, 2014 /PRNewswire/ -- ColorStars Group (CSTU) together with its subsidiary Anteya Technologies were awarded a street lighting project in Taiwan.


Latest Light pollution Reference Libraries

7_680ea780e47f127f8391cefcc37578012
2004-10-19 04:45:43

Light Pollution -- Light pollution refers to excess light, created by human activities, that brightens the night sky enough to hide many stars from observers. For the average person, light pollution means that even on a clear, moonless night, only a few stars may be visible. When a city grows up near an astronomical observatory, light pollution can make the observatory effectively useless. Unlike most forms of pollution, light pollution isn't persistent: turn the lights off, and the...

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Word of the Day
postliminy
  • In Roman antiquity, the return of a person who had been banished, or taken prisoner by an enemy, to his old condition and former privileges.
  • In international law, that right by virtue of which persons and things taken by an enemy in war are restored to their former status when coming again under the power of the nation to which they belonged.
The word 'postliminy' comes from a Latin word meaning 'threshold'.