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can we ever reach absolute zero ?

  • State: Utah
  • Country: United States
  • Listed: 2 January 2024 15h01
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https://www.sciencealert.com/after-a-century-of-debate-cooling-to-absolute-zero-has-been-declared-mathematically-impossible

https://www.sciencealert.com/after-a-century-of-debate-cooling-to-absolute-zero-has-been-declared-mathematically-impossible
After 100 Years of Debate, Hitting Absolute Zero Has Been Declared …
While scientists have long suspected that there’s an intrinsic ‘speed limit’ on the act of cooling in our Universe that prevents us from ever achieving absolute zero (0 Kelvin, -273.15°C, or -459.67°F), this is the strongest evidence yet that our current laws of physics hold true when it comes to the lowest possible temperature.
Second Law of Thermodynamics
Researchers at the US Department of Energy’s Argonne National Laboratory say they might have discovered a loophole in the Second Law of Thermodynamics, where the march of entropy can go in the opposite direction – on a microscopic scale, at least, and only in the short term.

https://www.popularmechanics.com/science/a38967844/reaching-absolute-zero

https://www.popularmechanics.com/science/a38967844/reaching-absolute-zero
Scientists Got Close to Reaching Absolute Zero – Popular Mechanics
3 mars 2022Absolute zero is 0 Kelvin, equal to -273.15 degrees Celsius, or -459.67 degrees Fahrenheit. This is the point at which particles are essentially motionless, and it’s the lowest possible…

https://www.popularmechanics.com / science / a43522340 / secret-way-to-get-absolute-zero

https://www.popularmechanics.com / science / a43522340 / secret-way-to-get-absolute-zero
The Secret Way to Get to Absolute Zero: Scientists Just Found It
3 mai 2023In saying that we can’t reach absolute zero without infinite time or infinite energy, it doesn’t fully take a fundamental aspect quantum physics—information theory—into account. A…

https://en.wikipedia.org/wiki/Absolute_zero

https://en.wikipedia.org/wiki/Absolute_zero
Absolute zero – Wikipedia
The laws of thermodynamics indicate that absolute zero cannot be reached using only thermodynamic means, because the temperature of the substance being cooled approaches the temperature of the cooling agent asymptotically. [4]

https://www.techradar.com/news/scientists-achieve-the-coldest-temperature-ever-recorded

https://www.techradar.com/news/scientists-achieve-the-coldest-temperature-ever-recorded
Scientists achieve the coldest temperature ever recorded
The absolute coldest a substance can ever achieve then is when all molecular motion is stopped. This occurs at -459.67 °F / -273.15 °C, also known as absolute zero, or 0 degrees on the Kelvin …

https://www.newscientist.com/article/mg25634171-900-the-strange-physics-of-absolute-zero-and-what-it-takes-to-get-there

https://www.newscientist.com/article/mg25634171-900-the-strange-physics-of-absolute-zero-and-what-it-takes-to-get-there
The strange physics of absolute zero and what it takes to get there …
14 déc. 2022Here, over the past few decades, researchers have been contriving ways to reach ever closer to the coldest possible temperature, absolute zero. In the process, we have entered a new realm where …

https://blogs.scientificamerican.com/observations/racing-toward-absolute-zero

https://blogs.scientificamerican.com/observations/racing-toward-absolute-zero
Racing toward Absolute Zero – Scientific American Blog Network
Absolute zero, technically known as zero kelvins, equals −273.15 degrees Celsius, or -459.67 Fahrenheit, and marks the spot on the thermometer where a system reaches its lowest possible…

https://www.magzter.com/stories/Science/Popular-Mechanics/This-Is-the-Closest-Scientists-Have-Gotten-to-Reaching-Absolute-Zero

https://www.magzter.com/stories/Science/Popular-Mechanics/This-Is-the-Closest-Scientists-Have-Gotten-to-Reaching-Absolute-Zero
This Is the Closest Scientists Have Gotten to Reaching Absolute Zero
Absolute zero is 0 Kelvin, equal to -273.15 degrees Celsius, or -459.67 degrees Fahrenheit. This is the point at which particles are essentially motionless, and it’s the lowest possible temperature we could ever theoretically reach, according to the laws of thermodynamics.

https://phys.org/news/2017-03-physicists-impossible-cool-absolute.html

https://phys.org/news/2017-03-physicists-impossible-cool-absolute.html
Physicists prove that it’s impossible to cool an object to absolute zero
(Phys.org)—In 1912, chemist Walther Nernst proposed that cooling an object to absolute zero is impossible with a finite amount of time and resources. Today this idea, called the unattainability…

https://www.npr.org/sections/13.7/2017/01/17/510214434/why-hell-can-t-freeze-over-quantum-physics-and-absolute-zero

https://www.npr.org/sections/13.7/2017/01/17/510214434/why-hell-can-t-freeze-over-quantum-physics-and-absolute-zero
Why Hell Can’t Freeze Over: Quantum Physics And Absolute Zero
17 janv. 2017Researchers inch ever closer to, but never reach, the state of absolute zero temperature; it’s a science that has some very cool (pun very much intended) applications, says astrophysicist Adam Frank. lesoutrali bot

      

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