Search results for atmospheric concentration:
Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays
Dec 07, 2009 |
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(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...
Lightning-produced radiation a potential health concern for air travelers
Space & Earth / Earth Sciences
Dec 07, 2009 |
3.8 / 5 (9) |
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New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be ...
Snowflake chemistry could give clues about ozone depletion
Chemistry / Analytical Chemistry
Dec 07, 2009 |
5 / 5 (1) |
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There is more to the snowflake than its ability to delight schoolchildren and snarl traffic.
Space technology optimises windmill efficiency
Dec 07, 2009 |
3 / 5 (2) |
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(PhysOrg.com) -- A French start-up company from ESA's Business Incubation Centre in the Netherlands has developed a small instrument to measure wind speed and direction from the ground up to heights of 200 ...
German researchers demonstrate diesel truck engine with barely measurable emissions
Dec 07, 2009 |
3.8 / 5 (6) |
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Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is ...
Study: Earth more sensitive to carbon dioxide than previously thought
Space & Earth / Earth Sciences
Dec 06, 2009 |
3.3 / 5 (36) |
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In the long term, the Earth's temperature may be 30-50% more sensitive to atmospheric carbon dioxide than has previously been estimated, reports a new study published in Nature Geoscience this week.
Study: Slowdown in warming last year not permanent
Space & Earth / Earth Sciences
Dec 04, 2009 |
3.4 / 5 (18) |
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(AP) -- Cooler temperatures in North America last year do not mean global warming is easing, government and academic scientists said Friday.
System 97W's 'castle wall' breached, and opened up to dissipation
Space & Earth / Earth Sciences
Dec 04, 2009 |
not rated yet |
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The "walls" of System 97W have been breached, and residents in the Western Pacific Ocean no longer have a tropical cyclone to worry about today. The Joint Typhoon Warning Center cancelled their "formation ...
Safe journey for works of art
Dec 04, 2009 |
4 / 5 (1) |
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Valuable paintings travel long distances when they are shipped from one place to another. To minimize damage, they are packed in special picture cases. In future, these will be equipped with sensors to detect ...
United Nations to probe climate e-mail leak
Dec 04, 2009 |
3.1 / 5 (9) |
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(AP) -- The United Nations will conduct its own investigation into e-mails leaked from a leading British climate science center in addition to the probe by the University of East Anglia, a senior U.N. climate ...
Samoan Tsunami wave was 46 feet high
Space & Earth / Earth Sciences
Dec 04, 2009 |
4.8 / 5 (6) |
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(AP) -- The tsunami that killed more than 200 people in the Samoan islands and Tonga earlier this year towered up to 46 feet (14 meters) high - more then twice as tall as most of the buildings it slammed into, scientists ...
Greenhouse gas carbon dioxide ramps up aspen growth
Dec 04, 2009 |
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The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.
Global warming may require higher dams, stilts
Dec 03, 2009 |
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(AP) -- With the world losing the battle against global warming so far, experts are warning that humans need to follow nature's example: Adapt or die.
Partial lunar eclipse will take place on 31st December
Space & Earth / Space Exploration
Dec 03, 2009 |
not rated yet |
0
(PhysOrg.com) -- In a lunar eclipse, the Earth, Sun and Moon are almost exactly in line and the Moon is on the opposite side of the Earth from the Sun.
New method of measuring ocean CO2 uptake could lead to climate change 'early warning system'
Space & Earth / Earth Sciences
Dec 03, 2009 |
1.8 / 5 (5) |
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An international team of scientists led by the University of East Anglia (UEA) has developed a new method of measuring the absorption of CO2 by the oceans and mapped for the first time CO2 uptake for the entire North Atlantic.
