What is the true meaning of nothingness?

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Discussion Overview

The discussion revolves around the concept of 'nothingness', exploring its meaning, implications, and whether it can be conceptualized or exists in any form within or outside the universe. Participants consider philosophical, mathematical, and physical perspectives on the topic.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant expresses confusion about the concept of 'nothingness' and questions whether it can be imagined or exists anywhere, arguing that 'empty space' cannot be considered nothingness.
  • Another participant suggests that 'nothingness' can be mathematically defined as the empty set, proposing that it does not require imagination since it is defined by the absence of existence.
  • A different participant humorously suggests that discussions on nothingness might be better suited for a Buddhist monk rather than physicists and engineers.
  • Another participant raises the idea that many questions in physics lack exact answers, equating 'nothing' with zero or an empty set, while questioning the nature of emptiness in time and space, noting that space is filled with virtual particles.
  • This participant also mentions 'zero point energy' as a concept that might provide a physicist's perspective on the nature of empty space.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the nature of nothingness, with multiple competing views presented, including philosophical, mathematical, and physical interpretations.

Contextual Notes

Participants express uncertainty regarding the definitions and implications of 'nothingness', with some ideas depending on philosophical interpretations or mathematical definitions that may not be universally accepted.

FeDeX_LaTeX
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Hi,

This has always been a confusing topic for me. What is 'nothingness'? How can we imagine it? I certainly can't... and is there anywhere in the universe (or outside of the universe?) where there exists 'nothingness'? The answer can't be 'empty space', because that means that there EXISTS empty space in that space, meaning that it isn't nothingness.

Can someone help me to understand what nothingness is?

Thanks
 
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FeDeX_LaTeX said:
Hi,

This has always been a confusing topic for me. What is 'nothingness'? How can we imagine it? I certainly can't... and is there anywhere in the universe (or outside of the universe?) where there exists 'nothingness'? The answer can't be 'empty space', because that means that there EXISTS empty space in that space, meaning that it isn't nothingness.

Can someone help me to understand what nothingness is?

Thanks

I think it is well defined mathematically, i.e. the empty set. By definition, nothingness isn't something that exists, so you don't have to imagine it. Just imagine what exists instead, and don't worry about what doesn't exist. At any rate, that's my philosophy :-)

Torquil
 


I think you want to talk to a Buddhist monk or something similar, not a bunch of physicists and engineers.
 


Some questions and many in physics have no exact answer. Nothing is zero, or as noted, an empty set. Is the color blue happy??

Is time "empty"? I do not know; is space empty...apparently it is teeming with virtual particles, so it appears it is NOT "empty". What is an "empty" temperature? absolute zero; again I don't know, but that does not exists either...

You might check "zero point energy" to get more a physicsts idea of empty space...
 

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