Air conditioners, refrigerators and other machines that heat and cool work with a simple premise. Pressure is applied to a gaseous refrigerant to turn it into a liquid state and then removed again so cold air is released. ...
Materials Science
Mar 10, 2021
0
9
There is a growing consensus among scientists as well as national and local governments representing hundreds of millions of people, that humanity faces a climate crisis that demands a crisis response. New research from the ...
Environment
Jan 14, 2021
10
382
Have you ever been amazed by a curveball goal scored by Diego Maradona, Lionel Messi or Christiano Ronaldo? Then you have—possibly without knowing it—been exposed to the Magnus effect: the fact that spinning objects tend ...
Optics & Photonics
Dec 7, 2020
0
48
Researchers at the Paul Scherrer Institute (PSI), together with colleagues from several other European institutions, have investigated whether particulate matter from certain sources can be especially harmful to human health. ...
Environment
Nov 18, 2020
0
111
The Indian capital's air quality levels plunged to "very poor" on Friday and a smoggy haze settled over the city, days after the state government initiated stricter measures to fight chronic air pollution.
Environment
Oct 16, 2020
0
5
Humans depend on fossil fuels as their primary energy source, especially in transportation. However, fossil fuels are both unsustainable and unsafe, serving as the largest source of greenhouse gas emissions and leading to ...
Plasma Physics
May 5, 2020
16
737
A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander mission. Findings described in a set of six papers published today reveal a planet alive with quakes, dust devils and strange ...
Space Exploration
Feb 25, 2020
1
59
In the early hours of Monday January 20 2020, something unusual was happening in the atmosphere above the southern British Isles. Just after midnight, air pressure records for London were broken at Heathrow airport, where ...
Environment
Jan 21, 2020
0
10
Sakshi Chauhan has not left her house in a quiet inner-city slum in the Indian capital for the past six days on her doctor's orders.
Environment
Nov 5, 2019
1
10
One of the greater challenges of sending payloads to Mars is contending with the planet's atmosphere. While incredibly thin compared to Earth's (with roughly half of 1 percent of Earth's air pressure), the resulting air friction ...
Space Exploration
Jun 18, 2019
1
15
