North Sea rocks could act as large-scale renewable energy stores
Rocks in the seabed off the UK coast could provide long-term storage locations for renewable energy production, new research suggests.
Jan 21, 2019
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Energy & Green Tech
Page 12 - News tagged with air
Energy & Green Tech
A scalable method of diagnosing HVAC sensor faults in smart buildings
Heating, ventilation and air-conditioning (HVAC) systems are the biggest consumers of energy in a building. For smart buildings, technologies have evolved to improve energy efficiency of HVAC systems, but faults often occur. ...
May 19, 2020
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Energy & Green Tech
Study shows pollution dramatically reducing solar power generation in China
An international team of researchers has found that air pollution in China is dramatically reducing the amount of power that is generated by solar cells in that country. In their paper published in the journal Nature Energy, ...
Energy & Green Tech
Lithium-air batteries can store energy for cars, houses and industry
Current lithium ion battery technology will probably not be able to handle the coming decades' huge demand for energy. It is estimated that by 2050, electricity will make up 50 percent of the world's energy mix. Today, that ...
Feb 18, 2019
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Engineering
Cooling clay to counter heatwaves without the use of fossil fuels
Air conditioning already accounts for a huge share of the total energy consumption in warm climate countries. It is not just a burden to the environment, but also a financial blow to the pocket. It is an issue which prompted ...
Feb 15, 2022
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Engineering
Air Force issues national call for 3-D scanner
Additive manufacturing and computer design experts, the Air Force needs your ideas.
Jan 22, 2021
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Energy & Green Tech
In a hotter world, air conditioning isn't a luxury, it's a lifesaver
As extreme heatwaves ravage the United States, Europe and Africa, killing thousands, scientists warn that the worst is still to come. With countries continuing to pump greenhouse gasses into the atmosphere and the chance ...
Jul 22, 2022
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Robotics
Soft robot fingers that can carefully squeeze without sensors
With a brief squeeze, you know whether an avocado, peach or tomato is ripe. This is what a soft robot hand also does, for example, during automated harvesting. However, up until now, such a gripper needed sensors in its 'fingers' ...
Feb 13, 2024
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Engineering
A portable instrument to measure indoor air pollution
Most people know air pollution exists outside from cars, trucks and industry, but many are unaware their indoor air quality could be worse than that of a big city.
Mar 23, 2023
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Hi Tech & Innovation
Korea has designs on ultra-fast transport speeding past maglev
(Tech Xplore)—Korea has its eye on advanced transport and taking a place in the frontlines of research and development. Case in point: Its research interest in coming up with an ultra-fast train. Call it ultra-fast, call ...
Earth's atmosphere
The Earth's atmosphere is a layer of gases surrounding the planet Earth that is retained by the Earth's gravity. It has a mass of about five quadrillion metric tons. Dry air contains roughly (by volume) 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.038% carbon dioxide, and trace amounts of other gases. Air also contains a variable amount of water vapor, on average around 1%. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night.
There is no definite boundary between the atmosphere and outer space. It slowly becomes thinner and fades into space. An altitude of 120 km (75 mi) marks the boundary where atmospheric effects become noticeable during atmospheric reentry. The Kármán line, at 100 km (62 mi), is also frequently regarded as the boundary between atmosphere and outer space. Three quarters of the atmosphere's mass is within 11 km (6.8 mi; 36,000 ft) of the surface.
This text uses material from Wikipedia, licensed under CC BY-SA
