Can Movement and Heat Unlock the Secrets of Time Travel?

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Discussion Overview

The discussion revolves around the relationship between movement, heat, and the concept of time travel. Participants explore how atomic movement relates to temperature and the generation of heat, particularly in the context of physical motion and biological responses to stimuli.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant questions the relationship between atomic movement and temperature, noting that when an ice cube is placed in water, it cools down due to interactions between atomic movements.
  • Another participant clarifies that heat is defined as the random motion of molecules, suggesting that moving an object as a whole does not necessarily increase the random motion of its molecules.
  • A participant raises a specific example of feeling warmth and pain after being struck by a whip, inquiring whether this sensation is due to molecular movement or a biological response.
  • Responses indicate that while energy from the whip does contribute to thermal motion in the fingers, the sensation of warmth is primarily a biological response rather than a direct result of increased molecular motion.

Areas of Agreement / Disagreement

Participants generally agree on the definitions of heat and molecular motion but explore different aspects of how movement affects these concepts. The discussion remains unresolved regarding the nuances of heat generation in relation to physical movement and biological responses.

Contextual Notes

Participants express uncertainty about the definitions and relationships between movement, heat, and sensations, indicating a need for further clarification on these concepts.

Bugge
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Now, I am very dull, but something that has made me ponder for quite some time is movement and how you define it. As I've understood the movement of the atoms is what can make an object feel cold or warm or maybe even painful, and when you drop an icecube in a cup of water it will cool down because the atoms of the icecube attracts the heat or stops the movement of the surrounding water atoms (Well, maybe not exactly, but I am not very sure how to explain it, and even less sure if I am right). Is this somewhat partially correct? If it is, how come when you run or move something very fast, that very little heat is generated? I mean, since movement is the same as atoms being moved around, should the heat generated not be much more noticeable?

Also, I posted a topic long ago about timetravel, and I just checked it. I have been unable to answer it until recently - all thanks to our excellent ISP. I'd like to say thank you for your answers, and there was some pretty interesting links. Way over my head, but the little pieces I understood so far has been very helpful.

Thanks in advance :-)


Bugge
 
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Bugge said:
If it is, how come when you run or move something very fast, that very little heat is generated? I mean, since movement is the same as atoms being moved around, should the heat generated not be much more noticeable?
'Heat' is the random motion of molecules. An object sits motionless on a table, yet its molecules are in constant motion. If you increase its temperature, the random motion becomes faster.

But just moving something as a whole does not affect the random motion of its molecules.
 
Thank you for the simple answer :-) But if you get a whip over your fingers, for instance, it will feel warm (And quite painful aswell) for quite some time. Is this affecting the random movement of the molecules then, or is it just a "response" from your body?
 
Bugge said:
But if you get a whip over your fingers
What do you mean?
 
Bugge said:
But if you get a whip over your fingers, for instance, it will feel warm (And quite painful aswell) for quite some time. Is this affecting the random movement of the molecules then, or is it just a "response" from your body?
Assuming that you mean your fingers are hit by a whip, then some of the energy of the whip will end up going into random thermal motion of your fingers. But what you feel is mainly a biological response.
 
Exactly what I meant. Sorry, I keep mixing Danish and English together. Thanks for the answer :-)


Bugge
 

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