Because of decreasing deforestation and emissions from forest fires in the Amazon over the past ten years, the amount of particulate matter (aerosols), ozone, carbon monoxide, nitrogen oxide and other atmospheric pollutants ...
Environment
Oct 26, 2015
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Smoke detectors are everywhere, but still thousands of people die in fires annually. Fire gas detectors, which detect carbon monoxide and nitrogen oxide, identify fires at an early stage. Thanks to a new measurement principle ...
Engineering
Sep 2, 2015
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13
Sensors to map air pollution represent an ambitious project involving Google. A number of tech sites are talking about its activities in strapping Aclima sensors to Street View cars. Aclima is in the business of delivering ...
First discovered in 1930, Pluto was considered to be the ninth planet in our Solar System for many decades. And though its status has since been downgraded to that of a dwarf planet, thanks to the discovery of Eris in 2004, ...
Space Exploration
Jul 13, 2015
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42
Canada has already had its share of wildfires this season, and the smoke from these wildfires is slowly drifting south over the United States' Midwest. The drifting smoke can be seen in this Terra satellite image over Lake ...
Earth Sciences
Jun 10, 2015
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20
(Phys.org) —Nitrogen is an essential component of all living systems, playing important roles in everything from proteins and nucleic acids to vitamins. It is the most abundant element in Earth's atmosphere and is literally ...
Materials Science
Oct 28, 2014
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0
Plants need nitrogen and carbon to grow. Photosynthesis allows them to take in the latter directly from the air, but they have to procure nitrogen through their roots in the form of organic molecules like ammonia or urea. ...
Materials Science
Sep 26, 2014
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0
(Phys.org) —A study conducted by Alberto Salvo and Franz Geiger of the National University of Singapore and Northwestern University respectively, has revealed that when drivers switch from using ethanol to power their vehicles, ...
Higher congestion charges in the morning and in the spring would even out the negative health effects caused by air pollution from cars in large cities.
Environment
Dec 19, 2012
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0
A team of international researchers have fired ultra-fast shots of light at oxygen, nitrogen and carbon monoxide molecules as part of a development aimed at mapping the astonishingly quick movements of atoms within molecules, ...
General Physics
Mar 15, 2012
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