No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything ...
Energy & Green Tech
Jan 12, 2012
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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
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"Your teacher was wrong!" It's a phrase many a high school or university student has heard. As practicing and former science teachers, we have been challenged with this accusation before.
Education
Aug 12, 2021
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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
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
Small birds are more energy-efficient than bats when flying. Researchers previously believed this was due to air resistance created by the bats' ears. However, biologists at Lund University in Sweden have now discovered another ...
Plants & Animals
Feb 5, 2018
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9
Researchers at Lund University in Sweden have compared how much energy bats use when flying, depending on whether they have large or small ears.
Plants & Animals
Nov 10, 2017
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10
A new procedure simplifies wind tunnel tests and makes the results visible immediately. Athletes have gone up against the wind at ETH to test the new method.
Engineering
Oct 30, 2017
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3
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
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19
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
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