Energy & Green Tech
Researchers have provided an important insight into the cultural taboo surrounding an innovative 'green' technology that enables users to transform their domestic toilet waste into biogas.
Jan 12, 2022
0
42
Automotive
With personal health a rising priority around the world, the auto industry is on the hunt for new gadgets and accessories to make the car cockpit feel safer for the driver and passengers.
Jan 8, 2022
0
15
Energy & Green Tech
The rate of renovation in the building sector is still too low to achieve the energy transition by the target date set by the German federal government. However, increased use of prefabricated components can help accelerate ...
Jan 3, 2022
0
21
Business
A major outage in Amazon's cloud computing network Tuesday severely disrupted services at a wide range of U.S. companies for more than five hours, the latest sign of just how concentrated the business of keeping the internet ...
Dec 8, 2021
0
48
Business
The rise of air-conditioning is on the brink of becoming a new emergency, adding unprecedented challenges to the already difficult task of decarbonizing the economy and reducing emissions. As temperatures continue to rise, ...
Nov 9, 2021
0
11
Software
Modeling reveals that even rooms with efficient ventilation often have areas where the air is stagnant. Assistant Professor Ville Vuorinen believes that a new program could become a tool that can be used by both researchers ...
Nov 5, 2021
0
15
Business
Emirates Airline will hold talks with US aviation giant Boeing over the delayed 777X "before and during" this month's Dubai Air Show, the company's chief executive said on Monday.
Nov 1, 2021
0
3
Business
As aviation struggles to emerge from the historic, pandemic-driven downturn, another longer-term challenge already looms. Concern about air travel's contribution to climate change threatens to curtail growth of an industry ...
Oct 27, 2021
0
63
Engineering
Despite their deceptively simple function of transferring heat from one medium to another, heat exchangers are of utmost importance in machines. Heat exchange between two fluids depends on the material of the heat exchangers, ...
Oct 20, 2021
0
38
Engineering
From birds in the sky to fish in the sea, nature's creatures possess characteristics naturally perfected over millennia. Studying them leads engineers to create new technologies that are essential to our way of life today. ...
Oct 20, 2021
0
28
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
