Hardware
In a recent paper published in Nature Reviews Physics, Professor Richard Brown and Dr. Nick Martin, discuss how the standardization of 'low-cost' air quality monitors can help measure pollution.
Mar 17, 2023
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Energy & Green Tech
A new attempt at purifying New Delhi's notoriously polluted air will see forty giant fans push out filtered air in the heart of the Indian capital's posh downtown shopping district.
Jul 22, 2021
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276
Energy & Green Tech
Here is a business venture, spawned off a garaged project, that is every bit in the feel-good tech story genre and they are for real. Three friends with a vision built a community to start a movement, says their promotional ...
Engineering
Anupam Sharma pulled an accordion folder from the bookshelf above his Iowa State University desk. Inside was the carefully collected and preserved wing of a short-eared owl.
Aug 15, 2017
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Robotics
In the future, soft robots will be able to perform tasks that cannot be done by conventional robots. These soft robots could be used in terrain that is difficult to access and in environments where they are exposed to chemicals ...
Feb 1, 2024
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Energy & Green Tech
Research by the Oregon State University College of Engineering has uncovered a way to improve the efficiency of a type of grid-scale storage crucial for a global transition toward renewable energy.
Jan 6, 2022
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601
Energy & Green Tech
A team with the Chemical Institute for Energy and the Environment (IQUEMA) at the University of Cordoba has come up with a battery that uses hemoglobin as an electrochemical reaction facilitator, functioning for around 20–30 ...
Jan 9, 2024
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Engineering
Having a home near a busy airport certainly has its perks. It is close to many establishments and alleviates the problem of wading through endless traffic to catch flights. But it does come at a cost—tolerating the jarring ...
Jul 13, 2021
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Software
As offices nationwide spring back to life, interior space designers and architects will soon have an easy-to-use planning tool to place indoor workplace furniture, staff, partitions and ventilation in a manner that maximizes ...
Jul 6, 2021
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Energy & Green Tech
Painting roofs white or covering them with a reflective coating would be more effective at cooling cities like London than vegetation-covered "green roofs," street-level vegetation or solar panels, finds a new study led by ...
Jul 4, 2024
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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
