Heat engines are devices that use waste heat to perform mechanical work and generate power. The invention of heat engines ushered in an era of the industrial revolution 250 years ago. The Otto engine, which uses distinct ...
Quantum Physics
Nov 9, 2021
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77
The sun rises over the Senegalese savannah. The Guinea baboons have spent the night on their sleeping trees and set off together to forage. In order to depart simultaneously as a group and roam together during the day, the ...
Plants & Animals
Nov 9, 2021
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6
Alkaline fuel cells (AFC) convert the chemical energy of hydrogen and oxygen into electrical energy, while only producing water as a by-product. This makes them an extremely attractive next generation, environmentally friendly ...
Nanomaterials
Nov 9, 2021
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155
The Assyrians were one of the Near East's biggest superpowers, controlling a land mass that stretched from Iran to Egypt. They accomplished this feat with military technologies that helped them win any open-air battle or ...
Archaeology
Nov 9, 2021
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324
One degree celsius can make a difference: a team of investigators led by Osaka University has demonstrated regulation of a critical protein complex that occurs only at physiological temperature.
Bio & Medicine
Nov 9, 2021
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47
Researchers from the University of Surrey's Advanced Technology Institute (ATI) and the University of São Paulo have developed a new analysis technique that will help scientists improve renewable energy storage by making ...
Materials Science
Nov 9, 2021
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31
Worldwide, we produce more than two gigatons of steel a year, the vast majority of which is produced in blast furnaces. In order to make the blast furnace process more sustainable—less energy consumption, less maintenance, ...
Environment
Nov 9, 2021
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4
The numbers of people in regions across the world affected by extreme heat stress—a potentially fatal combination of heat and humidity—could increase nearly 15-fold if the world's temperature rise reaches 2 degrees Celsius.
Environment
Nov 9, 2021
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22
A team of researchers affiliated with a host of entities in China and one in the U.S. has developed a modified textile that can keep skin cooler than materials made of cotton. In their paper published in the journal Nature ...
These cosmic ribbons of gas have been left behind by a titanic stellar explosion called a supernova. DEM L249 is thought to be the remnant of a Type 1a supernova, the death of a white dwarf star. White dwarf stars are usually ...
Astronomy
Nov 9, 2021
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