Minimizing air resistance and friction with snow is key to elite performance in downhill skiing. Experiments in wind tunnels have revealed the total drag experienced by skiers, but have not provided precise data on which ...
Soft Matter
Jan 16, 2017
0
7
People are often notified about poor air quality by weather apps, and this happens frequently in urban areas, where levels of outdoor pollution containing particulates and soot are high. But now scientists are reporting in ...
Environment
Jul 25, 2018
0
82
In the middle of a peloton, racing cyclists experience only five to ten percent of the air resistance they face when cycling alone. A new study, published in the Journal of Wind Engineering & Industrial Aerodynamics, based ...
General Physics
Jul 11, 2018
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5
You don't need to stand in front of a rifle to see the same physics of resistance in action – you can see it through everyday activities like riding your bike, or hopping in your car, or less everyday activities like going ...
General Physics
Mar 24, 2017
1
19
An international team of scientists led by the National Physical Laboratory (NPL) has performed novel measurements of graphene's electrical response to synthetic air, exposing a distinct knowledge gap that needs to be bridged ...
Nanomaterials
Mar 18, 2016
1
238
Emissions from the transport sector can be drastically reduced with more streamlined trucks. Researchers at Linköping University have calculated, and road carrier owner Erik Alfredsson has built an initial version of the ...
Energy & Green Tech
Feb 19, 2016
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17
Antibiotic resistance is a growing threat to global health. In 2019, it caused more than 1.27 million deaths worldwide—and it's projected that antimicrobial resistance (which includes bacterial resistance to antibiotics) ...
Environment
Aug 13, 2023
1
42
An international study shows that soil in urban green spaces and natural areas share similar levels of multiple contaminants such as metals, pesticides, microplastics and antibiotic resistance genes around the world. Soil ...
Environment
Apr 5, 2023
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59
Municipal solid waste is trash—such as plastic, food scraps and lawn clippings—that goes into garbage bins and doesn't get recycled. Most of this waste is buried in landfills or is incinerated. Now, researchers reporting ...
Environment
Mar 25, 2020
3
35
Research at TU Eindhoven, KU Leuven and the University of Liege has shown how a motorcyclist riding right behind a racing cyclist can reduce the air resistance for the cyclist by almost nine percent. In a time trial, such ...
Engineering
May 3, 2016
0
19
