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PBS Documentary To Explore The Effects Of Light Pollution
2012-07-05 14:08:31

Lee Rannals for redOrbit.com - Your Universe Online The world may start to look a little darker if the Public Broadcasting Service's new campaign has an influence in the matter. PBS will be joining the International Dark-Sky Association (IDA) by airing "The City Dark" - documentary that explores the problems of light pollution. IDA has been working for nearly 25 years to raise awareness about the problems light pollution causes by drowning out the night sky. Many of the issues IDA...

2012-05-24 23:00:52

Leading LED Grow Light manufacturer Hydro Grow, develops new lensing technology that increases LED Grow Light output by 569%, stating their LED Grow Lights are now the most powerful horticultural grow lights in the world. Santa Clarita, CA (PRWEB) May 23, 2012 LED products are popping up everywhere we look, from the shelves at the local Walmart, to the TV in our living room and the headlights in our cars. But what is causing this sudden shift in the global marketplace wherein LEDs are...

Street Lights Affect Delicate Ecosystems
2012-05-24 04:26:42

Brett Smith for RedOrbit.com Civilization has long been derided for intruding upon the habitats of wild animals, and even man´s smaller neighbors have been affected by the wheels of progress. Another measure of this impact can be seen in how street lighting is having a transformative effect on communities of insects and other invertebrates living near them, according to researchers at the University of Exeter in the United Kingdom. A report published in Biology Letters showed...


Latest Street light 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
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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