Motion implies time (because motion has speed and s=ut + 0.5at^2) . I understand that absolute zero and v=c are impossible.
If you get in a spaceship with a clock and travel away from Earth at 99% the speed of light, to you the clock still ticks at the same rate but someone on Earth would see your clock slow down. Bear this thought experiment in mind and read through this particularly the section on light clocks being slowed by motion, which will help to explain time dilation in a bit more of an intuitive way (and I think this is the same one in Brief History of Time too). Or perhaps time becomes infinite. In my understanding of it, the closer an object is to a black hole or the faster it's accelerating the slower time moves. I think Stephen Hawking gives a good example of this in Brief History of Time which is definitely worth a read if you are interested in this kind of stuff. In the presence of extreme gravity or traveling at near-light velocities, objects experience time dilation. Well the perception of time is relative to the observer. However, this effect is too subtle to measure.
It corresponds to minus 273.15 degrees Celsius and to minus 459.67 degrees Fahrenheit. Just because something stops doesn't mean that time stops too. Likes cnh1995. $\endgroup$ – aidan.plenert.macdonald Oct 19 '18 at 17:11 Staff Emeritus. Atoms aren’t entirely still; they wobble as a result of effects related to quantum physics. In other words, zero motion exists at 0K, but that does not imply that time does not exist. The reason isn't due to the movement of the Earth but because it requires an infinite amount of work to be done on the system in order to remove all the heat from the material you are going to cool, which is impossible. The Second Law of Thermodynamics says that all engines that are powered by heat (like car engines and steam train engines) must release waste heat and can not be 100% efficient. Or does "absolute zero" only mean that movement stops at the molecular level (as opposed to the sub-atomic level)? How Georgia’s blue drift changes politics nationwide, Live coverage of 2020 presidential election, 3-way Georgia Senate race heads to runoff election, Ex-Auburn coach Tommy Tuberville wins Senate race, 'Hamilton' star changes lyrics of song for voters, Trump signals he won't try to declare victory prematurely, Battle intensifies over which votes will count, The Obama-Biden economy outperformed Trump's, Celeb forced to quit 'DWTS' gives health update, WH coronavirus adviser warns of new 'deadly phase', Visiting campaign HQ, Trump says ‘losing is never easy’. Absolute zero is the temperature at which the particles of matter (molecules and atoms) are at their lowest energy points. Time dilation at absolute zero. Hope that made some sort of sense, honestly I cannot back up this theory, but it is an educated logical guess. [2], The kelvin and Rankine temperature scales are defined so that absolute zero is 0 kelvin (K) or 0 degrees Rankine (°R).
PS- I have a good understanding of calculus, if that aids your explanation. Peter, Someplace, World I've heard that at absolute zero … hmmmm. . Since the tritium is decaying more slowly, any glow from a phosphorescent material would in principle be slightly dimmer than if the tritium was near absolute zero. Some people think that at absolute zero particles lose all energy and stop moving. I suppose one might ask what the meaning of time is near absolute zero. At the physically impossible-to-reach temperature of zero kelvin, or minus 459.67 degrees Fahrenheit (minus 273.15 degrees Celsius), atoms would stop moving. If we plot a graph to it, we can see that the temperature of the particles is zero. Not quite. This page was last changed on 29 June 2020, at 15:16. Would cooling an object to absolute zero have any affect on the behavior of time in regards to this object? Do the photons slow? One might be able to build a nuclear decay clock. This is not correct.
You can sign in to vote the answer. Is light affected by temperature. However, to directly answer your question temperature does not relate to the passage of time in any way - imagine a thought experiment where we are in a lab at rest, and we build a clock which works by seeing how long it takes a pulse of light to cross the room and back. The quick answer to your question is no, molecules do not stop moving at absolute zero. I'm also having trouble wording this properly. My question may have been unclear, or just stupid and irrelevant, but maybe it makes a good thought experiment (is that the right word/phrase?) If it has a cause, it can only be eternal?
The Third Law of Thermodynamics says that nothing can ever have a temperature of absolute zero.
At this stage the pressure of the particles is zero. In quantum physics there is something called zero point energy, which means that even after all the energy from particles has been removed, the particles still have some energy.
The closer the temperature of an object gets to absolute zero, the less resistive the material is to electricity therefore it will conduct electricity almost perfectly, with no measurable resistance. Therefore, a particle cannot be completely stopped because then its exact position and momentum would be known. How can something with an acceleration approaching 0 not behave relativistically? From Simple English Wikipedia, the free encyclopedia.
edit2 - added some extra info to the first paragraph. well yes it does... i farted yesterday really badly and it shook the house it was so enormous.
0 1. wjllope. If you are at Absolute Zero, your time has definitely stopped ..!! Does this imply that time does not exist at 0degK? Absolute zero is the temperature at which the particles of matter (molecules and atoms) are at their lowest energy points.Some people think that at absolute zero particles lose all energy and stop moving.
the third law of thermodynamics proves that a substance cannot be cooled to absolute zero, New comments cannot be posted and votes cannot be cast. 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. I noticed you said about speeding up an object to light speed then time for that object would seem to stand still, but again this is impossible due to the infinite amount of work needed to be done. In principle the kinetic motion of gasses time dilates the molecules.
Cooling an object to absolute zero removes all Brownian motion, thereby removing all kinetic energy. This will increase the half life (as measured in the lab) by two seconds.
Get your answers by asking now. Does this imply that time does not exist at 0degK? Press question mark to learn the rest of the keyboard shortcuts.
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. Consider a gas of tritium, or heavy hydrogen, which is radioactive with a half-life of 12.32 years or 4,500 +/- 8 days.
By definition, motion stops at absolute zero because there is no kinetic energy. For the sake of argument let's say that it takes exactly 1 second. .. . Motion implies time (because motion has speed and s=ut + 0.5at^2) . Basically, gasses are moving very slow at room temperature relative to the speed of light, and any time dilation effects are likely too subtle to measure. Or perhaps time becomes infinite. Some people have created temperatures very close to absolute zero: the record temperature was 100 pK (one hundred picokelvin, equal to 10−10 kelvin) above absolute zero. The uncertainty on the half-life of tritium is 8 days, so the addition of 2 seconds is impossible to determine with current capabilities. Also, the particles cannot move in "reverse" either because as the movement of particles is vibration, vibrating in reverse would be nothing but simply vibrating again.
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A crystal oscillator (quartz clock) would surly essentially stop at absolute zero. Brief aside, is it impossible to bring particles to absolute zero on Earth because of the constant acceleration of Earth about around the Sun and the Solar System about the galactic core? So absolute zero is effectively the same as room temperature.
They move much less than at higher temperatures, but they still have small vibrations at absolute zero.
It's impossible to bring objects to absolute zero because of quantum mechanics, not gravity/acceleration, etc. Theoretically, if an object gains enough kinetic energy such that its velocity equals exactly the speed of light it would not travel through time. In my understanding of it, the closer an object is to a black hole or the faster it's accelerating the slower time moves. what is centripetal vs centrifugal in terms of circular motion? The temperature cannot go down any further.
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