This is not correct. The Celsius and Fahrenheit scales are defined so that absolute zero is −273.15 °C or −459.67 °F.[3]. Still have questions? This will increase the half life (as measured in the lab) by two seconds. One might be able to build a nuclear decay clock. If you are at Absolute Zero, your time has definitely stopped ..!! Absolute zero is the temperature at which the particles of matter (molecules and atoms) are at their lowest energy points. $\endgroup$ – aidan.plenert.macdonald Oct 19 '18 at 17:11 So, an engine cannot be 100% efficient, but you can make its efficiency closer to 100% by making the inside temperature hotter and/or the outside temperature colder. hmmmm. From Simple English Wikipedia, the free encyclopedia. The Third Law of Thermodynamics says that nothing can ever have a temperature of absolute zero. The quick answer to your question is no, molecules do not stop moving at absolute zero. While all molecular movement does not cease at absolute zero, no energy from that motion is available for transfer to other systems. 0 1. wjllope. Staff Emeritus. This is not correct. "Unit of thermodynamic temperature (kelvin)", https://simple.wikipedia.org/w/index.php?title=Absolute_zero&oldid=7010979, Creative Commons Attribution/Share-Alike License. So absolute zero is effectively the same as room temperature. Or does "absolute zero" only mean that movement stops at the molecular level (as opposed to the sub-atomic level)? Scientists use lasers to slow atoms when cooling objects to very low temperatures. Ivan is saying that temperatures required to bring nuclear states out of ground state are very very high. Or perhaps time becomes infinite. It's impossible to bring objects to absolute zero because of quantum mechanics, not gravity/acceleration, etc. If it has a cause, it can only be eternal? A pendulum clock might still run, as long as all the bearings were free. Cooling an object to absolute zero removes all Brownian motion, thereby removing all kinetic energy. Consider a gas of tritium, or heavy hydrogen, which is radioactive with a half-life of 12.32 years or 4,500 +/- 8 days. Atoms aren’t entirely still; they wobble as a result of effects related to quantum physics. Is light affected by temperature. How do you think about the answers? Would cooling an object to absolute zero have any affect on the behavior of time in regards to this object? Join Yahoo Answers and get 100 points today. Hope that made some sort of sense, honestly I cannot back up this theory, but it is an educated logical guess. In the particle-in-a-box thought experiment, the lowest energy state of the particle is still not zero. Not quite. In my understanding of it, the closer an object is to a black hole or the faster it's accelerating the slower time moves. Does this imply that time does not exist at 0degK? This is due to Heisenberg's uncertainty principle, which states that the more that is known about a particle's position, the less that can be known about its momentum, and vice versa.
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