News tagged with light pollution

Researchers discover particle which could 'cool the planet'

In a breakthrough paper published in Science, researchers from The University of Manchester, The University of Bristol and Sandia National Laboratories report the potentially revolutionary effects of Criegee biradicals.

Space & Earth / Earth Sciences

created Jan 12, 2012 | popularity 3.9 / 5 (19) | comments 3 | with audio podcast

How to see the best meteor showers of 2012: Tools, tips and 'save the dates'

(PhysOrg.com) -- Whether you're watching from a downtown area or the dark countryside, here are some tips to help you enjoy these celestial shows of shooting stars. Those streaks of light are really caused ...

Space & Earth / Space Exploration

created Jan 02, 2012 | popularity 4.5 / 5 (15) | comments 0 | with audio podcast

NASA considers sending a telescope to outer solar system

Light pollution in our inner solar system, from both the nearby glow of the Sun and the hazy zodiacal glow from dust ground up in the asteroid belt, has long stymied cosmologists looking for a clearer take ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 4.8 / 5 (9) | comments 30

Vehicles of 2017 could get 54.5 mpg

One of the most powerful points in Thomas Friedman's book, "Hot, Flat and Crowded," was that when President Ronald Reagan rolled back fuel efficiency standards for American vehicles, it wasted an amount of petroleum equivalent ...

Technology / Energy & Green Tech

created Nov 21, 2011 | popularity 3.6 / 5 (5) | comments 9

Urban light pollution and its impact on nocturnal activity

Researchers in Germany have discovered that urban light pollution not only limits the visibility of stars, but also plays havoc with nocturnal animals that depend on a compass-like pattern of polarised light ...

Space & Earth / Earth Sciences

created Nov 01, 2011 | popularity 5 / 5 (5) | comments 0

'White' light suppresses the body's production of melatonin

Exposure to the light of white LED bulbs, it turns out, suppresses melatonin 5 times more than exposure to the light of High Pressure Sodium bulbs that give off an orange-yellow light. "Just as there are regulations and standards ...

Medicine & Health / Health

created Sep 12, 2011 | popularity 5 / 5 (17) | comments 23 | with audio podcast

Two more kepler planets confirmed

Hot on the heels of confirming one Kepler planet, the Hobby-Eberly Telescope announces the confirmation of another planet. Another observatory, the Nordic Optical Telescope, confirms its first Kepler planet ...

Space & Earth / Astronomy

created Aug 08, 2011 | popularity 4.6 / 5 (14) | comments 0 | with audio podcast

Obama to announce new car efficiency standards

US President Barack Obama will later this week unveil new fuel efficiency standards for passenger cars and light trucks for the 2017-2025 period, the White House said Wednesday.

Technology / Energy & Green Tech

created Jul 27, 2011 | popularity 4.8 / 5 (9) | comments 156

Chemists shed light on sun's role mixing up molecules

(PhysOrg.com) -- University of Sydney scientists have discovered a startling new mechanism where sunlight can rearrange the atoms of molecules to form new chemical substances.

Chemistry / Biochemistry

created Jun 02, 2011 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

Measuring the next generation of life-saving pollution sensors

New research from the UK's National Physical Laboratory (NPL) is helping Duvas Technologies Ltd (Duvas) to develop improved air quality monitoring instrumentation. Currently over 1bn people a year suffer from respiratory ...

Technology / Engineering

created May 31, 2011 | popularity not rated yet | comments 0

Idling airplanes produce more harmful pollution than previously thought

(PhysOrg.com) -- A group of researchers from Carnegie Mellon University in Pittsburgh, have shown that the emissions produced by aircraft idling at the gate, or lining up for takeoff, contain tiny oil droplets, ...

Space & Earth / Earth Sciences

created May 12, 2011 | popularity 2 / 5 (2) | comments 6 | with audio podcast report

Saturn only visible planet through the month of April

(PhysOrg.com) -- For those who enjoy viewing clusters of planets, the evening sky in April may be a bit disappointing. Saturn will be the only planet visible for most of the night, until the sky starts to ...

Space & Earth / Space Exploration

created Apr 01, 2011 | popularity 4.7 / 5 (6) | comments 0

Clouds amplify ecological light pollution

The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. In natural environments, clouds make the night sky darker by blocking the light of the stars but around urban centers, ...

Space & Earth / Environment

created Mar 02, 2011 | popularity 5 / 5 (3) | comments 0

Channel island named first 'dark sky' community

The Channel Island of Sark has been designated the first dark sky community in the world in recognition of the lack of light pollution that allows clear views of the stars at night, officials said Monday.

Space & Earth / Space Exploration

created Jan 31, 2011 | popularity 5 / 5 (4) | comments 1

Shining new light on air pollutants using entangled porous frameworks

Certain types of pollution monitoring may soon become considerably easier. A group of researchers centered at Kyoto University has shown in a recent Nature Communications paper that a newly-formulated entangled framework of por ...

Chemistry / Materials Science

created Jan 25, 2011 | popularity not rated yet | comments 1