What is "matter" in the quantum age?

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QuinticNon
 
Reply Mon 18 Jan, 2010 01:03 am
@Alan McDougall,
Alan McDougall;120749 wrote:
...would it be the end God because the reason for everything is found?


Would it explain the "reason" I just asked this question? How do we know when "reason" exists? Can the Foam reason? Am I to suppose the Foam has a mind?

BTW... The TOE is Language. Try and make it (or anything else) work without it.
 
jeeprs
 
Reply Mon 18 Jan, 2010 01:56 am
@QuinticNon,
QuinticNon;120743 wrote:
This mechanism is the physical proof of an immaterial realm beyond energy and matter.


This realm is also referred to as 'the causal realm'. It is called 'causal' because it is that by virtue of which things can come to exist. It is not within scope for scientific investigation, because it is subtle, hence known to the traditional philosophies as a subtle realm. Strictly speaking it does not exist at all, it 'informs' existence. Therefore the use of the term 'immaterial realm' is in a sense metaphorical; not because it is not real, but it is beyond the scope of description.
 
Aemun
 
Reply Mon 18 Jan, 2010 02:37 am
@prothero,
I can agree that this child may experience a form of consciousnes, probably the sort that animals experience. Self consciousness, I would suggest, requires a dialectic between the material realm and a human mind. As I have already mentioned, I believe this acts like putting 2 mirrors facing each other. Something special happens. Then you would get the knowledge that is unique to humans, not the awareness shared with animals.

I think we should attempt the experiment with the kid when we have the technology, just to be certain. The kid might wake up and be the next Buddha.

P.S. Don't everyone go back to the kid, I realised I was backtracking after I wrote this.
 
Jackofalltrades phil
 
Reply Mon 18 Jan, 2010 05:19 am
@QuinticNon,
QuinticNon;120743 wrote:


What is "matter" in the quantum age?

What is the physical mechanism that allows thoughts to be shared?

---------- Post added 01-18-2010 at 12:28 AM ----------

But what about the mind stuff? Where does the mind stuff reside? Where is the mind?





Two most relevent question to the topic being discussed here.

The structure of matter is still a mystery. As long as the conflict between the relativistic and quantum model of explaining matter is not resolved we will continue to debate such questions or issues.

But here we need to get a perspective of the situation. F. Capra's revolutionary thesis written in his book 'Tao of Physics' at an elementary level attempts to bring parallel's between Physics - study of matter, and Mysticism - experience of the mind, and tries to see whether they are coming together into the realm of common knowledge.

I shall quote a paragraph in the book, from a section New Paradigms Thinking in Science while discussing about the reach and course $$of science in a chapter on Future of the New Physics:

Note: I have never indulged in quoting from books or works but i thought the last few posts were referring to 'mechanisms', whether of the mind or matter, so i think the following copyright violation may help the cause of this discussion and philosophy in general.

Quote:

Gradually, physicists began to realise that nature, at an atomic level does not appear as a mechanical universe composed of fundamental building blocks, but rather as a network of relations, and that, ulimately, there are no parts at all in this interconnected web. Whatever we call a part is merely a pattern that has some stability and therfore captures our attention................
The awareness of mutual unity and mutual interrealtions of all things and events, the experience of al phenomena as manifestations of basic oneness, is also the most important common charecteristics of Eastern worldviews. ......
All things are seen as interdependent, inseparable, and as transient patterns of the same ultimate reality.
.........In the old paradigm, it was thought that there were fundamental structures, and then there were forces and mechanisms through which these interacted, which gave rise to processes. In the new paradigm we think that process is primary, that every structure we observe is a manifestation of an underlying process.


In the light of this profound perspective, can we discuss what is matter?, and what is mind?
 
housby
 
Reply Mon 18 Jan, 2010 07:13 am
@Jackofalltrades phil,
Quote from Jackofalltrades
...understanding your point is not my only job (sorry i may sound ungenerous). My intervention would be on points of order or facts or what we see as truths. i would, indeed do a disservice to philosophy, myself and yourself, if i do not point out the gaps in thought, logic, knowledge and idea. If it is your case, that I should see, I should understand and I should clap and than walk off the room is not how seekers of truth generally behave. There is nothing personal here, it is only ideas that matter.

Perish the thought that you should leave the room. It is your argument and ideas that inspire me to this thread. We should all be prepared to have our ideas shot down on this site, if not then we should not be on it. I seek the answers to many things and, if I were to keep a closed mind then I would learn nothing.
Incidentally, forgive my outlining your quote in red but I have yet to master the damn multi-quoting thing. I would have liked to say more but I must practice this skill. I can do one quote but not several in the same post (now there is a definite gap in my knowledge).

---------- Post added 01-18-2010 at 01:27 PM ----------

prothero;120738 wrote:
I dont think Newton experienced the formula for gravity, or Einstein the equations of general relativity, I dont think Planck experienced the quanta and I do not think anyone experienced imaginary numbers. I do not deny that experience raises questions but the answers come from intuition, reason and imagination not from sense perception. Some types of theories we can empirically test and so they are truth by correspondence, other types of theories can not be tested and are only truth by coherence or consistency. Sense perception (experience) is found throughout nature but the rational and imaginative power of man is unique and the source of most of our "knowledge".

I agree with what you say here. Anything new has usually to be concieved before it is experienced. It is inherent in the human mind to be able to think of things that do not exist yet. My argument is that if we had no experience whatsoever how would we concieve of anything new because we would have no konwledge of anything outside of us (and thus probably no self-knowledge either - sorry covering old ground there). We can, I believe, only deal with things in the abstract when we have knowledge of the world around us. Doesn't this follow?

---------- Post added 01-18-2010 at 01:33 PM ----------

Aemun;120763 wrote:
Self consciousness, I would suggest, requires a dialectic between the material realm and a human mind. As I have already mentioned, I believe this acts like putting 2 mirrors facing each other. Something special happens. Then you would get the knowledge that is unique to humans, not the awareness shared with animals.

Exactly (and I won't mentionthe child again).
 
Aemun
 
Reply Mon 18 Jan, 2010 07:39 am
@housby,
Are we all agreed then that our western philosophical view is not equipped to deal with a question such as 'what is matter?'.

We should follow the Eastern mystics and meditate under a tree for several weeks, or take the short route with some peyote. Only when we defacilitate our left brain thinking will we be able to see the real picture. 'Cosmic consciousness' as Bucke described it.
 
Alan McDougall
 
Reply Mon 18 Jan, 2010 07:57 am
@Aemun,
Wikepedia

The common definition of matter is anything that has both mass and volume (occupies space). For example, a car would be said to be made of matter, as it occupies space, and has mass.

The observation that matter occupies space goes back to antiquity. However, an explanation for why matter occupies space is recent, and is argued to be a result of the Pauli exclusion principle.[22][23]

Two particular examples where the exclusion principle clearly relates matter to the occupation of space are white dwarf stars and neutron stars.
 
housby
 
Reply Mon 18 Jan, 2010 08:10 am
@Aemun,
Aemun;120781 wrote:
Are we all agreed then that our western philosophical view is not equipped to deal with a question such as 'what is matter?'.

We should follow the Eastern mystics and meditate under a tree for several weeks, or take the short route with some peyote. Only when we defacilitate our left brain thinking will we be able to see the real picture. 'Cosmic consciousness' as Bucke described it.

Not so sure about the peyote thing. Mind altering stuff was what got me here in this first place 35-odd years ago. (Ha Ha).

---------- Post added 01-18-2010 at 02:26 PM ----------

Alan McDougall;120785 wrote:
Wikepedia

The common definition of matter is anything that has both mass and volume (occupies space). For example, a car would be said to be made of matter, as it occupies space, and has mass.

The observation that matter occupies space goes back to antiquity. However, an explanation for why matter occupies space is recent, and is argued to be a result of the Pauli exclusion principle.[22][23]

Two particular examples where the exclusion principle clearly relates matter to the occupation of space are white dwarf stars and neutron stars.

I have looked at the Pauli principle and, as with most other quantum stuff, I find it inpenetrable. Quantum physics is a fascinaton to me as I have stated previously, but I don't have the extreme mathematical capability to grasp it at more than a basic level. I would dearly love to find a book or internet site aimed at the layman, a kid of idiots guide to quantum physics. When I have found such a thing it has usually been a bit too basic and only tells me what I already know. Do others find the same thing? It seems as though it is a subject that can only go so far in plain English and then tips over into mathematical formula. There doesn't seem to be anything "gradual".
 
Alan McDougall
 
Reply Mon 18 Jan, 2010 08:57 am
@housby,
housby;120788 wrote:
Not so sure about the peyote thing. Mind altering stuff was what got me here in this first place 35-odd years ago. (Ha Ha).

---------- Post added 01-18-2010 at 02:26 PM ----------


I have looked at the Pauli principle and, as with most other quantum stuff, I find it inpenetrable. Quantum physics is a fascinaton to me as I have stated previously, but I don't have the extreme mathematical capability to grasp it at more than a basic level. I would dearly love to find a book or internet site aimed at the layman, a kid of idiots guide to quantum physics. When I have found such a thing it has usually been a bit too basic and only tells me what I already know. Do others find the same thing? It seems as though it is a subject that can only go so far in plain English and then tips over into mathematical formula. There doesn't seem to be anything "gradual".


The great physicist Richard Feynman said "no one understand quantum mechanics" and he was one of the pioneers in this field of science


What is 'quantum foam'?


What is 'quantum foam'?


This is an idea that was originally proposed by Nobel physicist John Wheeler back in the early 1960's to describe what space-time 'looks like' at scales of 10^-33 centimeters.


The basic idea is that gravity is a field with many of the same fundamental properties as the other fundamental 'force' fields in Nature. This means that the state of this field is, at some level, uncertain and described by quantum mechanics. Since


Einstein's general theory of relativity requires that gravitational fields and space-time be one and the same mathematical objects, this means that space-time itself is also subject to the kinds of uncertainty required by quantum systems. This indeterminacy means that you cannot know with infinite precision BOTH the geometry of space-time, and the rate of change of the space-time geometry, in direct analogy with Heisenberg's Uncertainty Principle for quantum systems.


Wheeler imagined that this indeterminacy for space-time required that at the so-called Planck Scale of 10^-33 centimeters and 10^-43 seconds, space-time has a foaminess to it with sudden changes in its geometry into a wealth of complex shapes and textures.


You would have quantum black holes appear at 10^-33 centimeters, then evaporate in 10^-43 seconds. Wormholes would form and dissolve, and later theorists even postulated 'baby universe' production could happen under these conditions.

The problem is that we have no evidence that 1) gravity is a quantum field and 2) that space-time has this type of structure at these scales.
 
prothero
 
Reply Mon 18 Jan, 2010 09:48 am
@housby,
housby;120776 wrote:
I agree with what you say here. Anything new has usually to be concieved before it is experienced. It is inherent in the human mind to be able to think of things that do not exist yet. My argument is that if we had no experience whatsoever how would we concieve of anything new because we would have no konwledge of anything outside of us (and thus probably no self-knowledge either - sorry covering old ground there). We can, I believe, only deal with things in the abstract when we have knowledge of the world around us. Doesn't this follow?
The argument between rationalism and empiricism is ancient. In truth of course knowledge is the result of both and the real argument is the relative contributions of each in various areas of "knowing". One has to be alive and have a mind (experience) to reason. The argument I am trying to make is that it is not our sense experience or our sensory apparatus that makes man unique and gives us our "knowledge" of the world it is our reason and our imagination. Lots of life forms have sensory apparatus (often superior to our own) and have sense experience.

The most profound insight into the nature of the universe in the twentieth century was made a bored patent clerk (who because of his poor academic performance and teaching skills could not get a job at university) conducting thought experiments about riding on light waves and other nonsensical notions. His take "imagination is more important than knowledge".

Matter is not what it "appears" to be.
 
Jackofalltrades phil
 
Reply Mon 18 Jan, 2010 12:52 pm
@prothero,
housby;120776 wrote:

I seek the answers to many things and, if I were to keep a closed mind then I would learn nothing.
[/COLOR]

Kudos! Keep it up, as they say.

housby;120776 wrote:
I can do one quote but not several in the same post (now there is a definite gap in my knowledge).


theres a video by Justin. If you can catch up with his accent, its a very good tutorial on how to multi-quote.

housby;120776 wrote:

Exactly (and I won't mentionthe child again).


The child which you had conceived was very good imagination. It helped me to pass some ideas and experiment on thoughts. It was just fine, i thought.

Aemun;120781 wrote:
Are we all agreed then that our western philosophical view is not equipped to deal with a question such as 'what is matter?'.
We should follow the Eastern mystics and meditate under a tree for several weeks, or take the short route with some peyote. Only when we defacilitate our left brain thinking will we be able to see the real picture. 'Cosmic consciousness' as Bucke described it.


Quite, thought provoking. Well if one is inclined an dtrained to meditate, one should undoubtedly try it out. A few things would be immediately clear - the mind/body connect; the mind/consciousness connect; the levels of consciousness; a state of peace with oneself and the outside world; the power to concentrate; And a whole lot of good for ones health.

In the bargain, if one can figure out what reality is all about, nothing like it. Nothing else matters, mind not.

housby;120788 wrote:
Not so sure about the peyote thing. Mind altering stuff was what got me here in this first place 35-odd years ago. (Ha Ha).


ha ha ....Lol!

housby;120788 wrote:
I have looked at the Pauli principle and, as with most other quantum stuff, I find it inpenetrable. Quantum physics is a fascinaton to me as I have stated previously, but I don't have the extreme mathematical capability to grasp it at more than a basic level. I would dearly love to find a book or internet site aimed at the layman, a kid of idiots guide to quantum physics. When I have found such a thing it has usually been a bit too basic and only tells me what I already know. Do others find the same thing? It seems as though it is a subject that can only go so far in plain English and then tips over into mathematical formula. There doesn't seem to be anything "gradual".


I am on the same boat!

housby;120776 wrote:

Anything new has usually to be concieved before it is experienced. It is inherent in the human mind to be able to think of things that do not exist yet. My argument is that if we had no experience whatsoever how would we concieve of anything new because we would have no konwledge of anything outside of us (and thus probably no self-knowledge either - sorry covering old ground there). We can, I believe, only deal with things in the abstract when we have knowledge of the world around us. Doesn't this follow?


prothero;120797 wrote:
The argument between rationalism and empiricism is ancient. In truth of course knowledge is the result of both and the real argument is the relative contributions of each in various areas of "knowing". One has to be alive and have a mind (experience) to reason. The argument I am trying to make is that it is not our sense experience or our sensory apparatus that makes man unique and gives us our "knowledge" of the world it is our reason and our imagination. Lots of life forms have sensory apparatus (often superior to our own) and have sense experience.
His take "imagination is more important than knowledge".
Matter is not what it "appears" to be.


The discussion between housby and prothero is very educating. Here's my bit on it.

Experience is knowledge. Intuition is also knowledge. Logic and memory helps experience to formulate knowledge that was gained, Intellect helps mind to be sharp and intuitive. The idea that Education leads to wisdom is very wrong, Experience and Intuition gives out wisdom.

Power of Imagination, Creativity and Reasonings are the by-products of Experience and Intuitiveness. The idea that New Knowledge is created is wrong. New understandings are extracted, derived or deducted out of Nature. Mind-Intellect only processes the new information with the help of previous understandings and through what is known as thought process.

Mind does matter, but Matter do exist.
 
prothero
 
Reply Mon 18 Jan, 2010 05:39 pm
@Alan McDougall,
Alan McDougall;120794 wrote:
What is 'quantum foam'?
The problem is that we have no evidence that 1) gravity is a quantum field and 2) that space-time has this type of structure at these scales.

There are four fundamental forces in modern physics (nuclear strong, nuclear weak, electromagnetism and gravity). Three of these forces already have been described in quantum terms and can be shown to fuse as a single force early in the history (big bang) of the universe. Gravity is the sole remaining force which has not yet been described in quantum terms although there are proposals for a quantum description of gravity. The unified field theory, Theory of everything (TOE), string theory and now M theory are attempts to unify the four fundamental forces in a single encompassing mathematical description which probably will be a quantum description.

M theory predicts the graviton and it has the properties necessary for a quantum system of gravity which were determined before the development of M theory. In short unless a major new revelation in physics is forthcoming, qravity too will receive a quantum description and be unifed in the final TOE. General relativity our current theory of gravity/space time requires point particles and continous space time (i.e. it is not a quantum description). The equations of general relativity break down on the scale of the very large and the very small and give nonsense (infinite) results. It is clear general relativity is not the final answer on a theory of gravity/space-time.

One needs to take quantum descriptions of gravity and space time seriously. Just as the image on your computer screen appears continous but is really composed of discrete dots, space time only appears continous when viewed from a distance and on certain scales. Of course the quantum nature of space time and qravity only appears at distances corresponding to the Planck dimensions but the implications of a quantum character to space time and gravity in philosophical terms are relatively profound. We all know about the strangeness of the quantum world and the disappearing atom now gravity and space time itself are subject to the same mysterious behaviors on small or large enough scales. One of the definitions of "matter" afterall is that which has mass and occupies space: so a profound change in "space" is a profound change in "matter".

---------- Post added 01-18-2010 at 03:44 PM ----------

Jackofalltrades;120839 wrote:
[/COLOR]
Mind does matter, but Matter do exist.
Reminiscent of the old joke
Daddy "what is matter?" Father "Never mind."
Daddy "What is mind?" Father "No matter."
 
Alan McDougall
 
Reply Mon 18 Jan, 2010 11:13 pm
@prothero,
prothero;120797 wrote:
The argument between rationalism and empiricism is ancient. In truth of course knowledge is the result of both and the real argument is the relative contributions of each in various areas of "knowing". One has to be alive and have a mind (experience) to reason. The argument I am trying to make is that it is not our sense experience or our sensory apparatus that makes man unique and gives us our "knowledge" of the world it is our reason and our imagination. Lots of life forms have sensory apparatus (often superior to our own) and have sense experience.

The most profound insight into the nature of the universe in the twentieth century was made a bored patent clerk (who because of his poor academic performance and teaching skills could not get a job at university) conducting thought experiments about riding on light waves and other nonsensical notions. His take "imagination is more important than knowledge".

Matter is not what it "appears" to be.


Hi It is a myth that Albert Einstein was a poor student , he only failed in one subject French which he hated and was forced to take
 
Krumple
 
Reply Mon 18 Jan, 2010 11:26 pm
@jeeprs,
jeeprs;120048 wrote:
Kind of interesting, but a cop out in my view, as is the multiverse argument. I don't really entertain these ideas because they are probably impossible to prove or disprove, so they fail my 'what if?' test (in other words, what if they're true - does it make any difference?)


I find your response humorous. If you were to substitute the multiverse argument with god or the divine, you are more than happy to accommodate it but when we talk about hypothetical dimensions you can't.

There is one way to describe it to you, but perhaps you still won't like it. Quite simple really, matter. In theory all matter is just trapped energy or light if you will. By changing that matter, you can exchange it for some energy. The same is true about the energy, which you could exchange it for some matter.

How is it that you can take something seemingly solid and convert it into light? Or better yet, how could you take some light and convert it into matter? You can't you say? Well you might be right so far, but we have gone one way with it so far, and demonstrated it. Now all we need to do is go the other way.

I don't think I need to mention the example I am referring to in the above paragraph. But it does hinge on multi dimensions. In one sense it exists in one state while in another it exists entirely in a different state. The third possibility is that it exists in both states at the same time. How is that possible? Quantum physics says it can and does happen.

So let's go back to the conversion of light into matter. Plants do this. What?? No way! Yeah plants convert sun light into simple sugars through a chemical process. In other words they are converting light into matter.

That still doesn't sound like multi dimensional?

---------- Post added 01-18-2010 at 09:37 PM ----------

Alan McDougall;120794 wrote:
What is 'quantum foam'?


This is an idea that was originally proposed by Nobel physicist John Wheeler back in the early 1960's to describe what space-time 'looks like' at scales of 10^-33 centimeters.


The basic idea is that gravity is a field with many of the same fundamental properties as the other fundamental 'force' fields in Nature. This means that the state of this field is, at some level, uncertain and described by quantum mechanics. Since


Einstein's general theory of relativity requires that gravitational fields and space-time be one and the same mathematical objects, this means that space-time itself is also subject to the kinds of uncertainty required by quantum systems. This indeterminacy means that you cannot know with infinite precision BOTH the geometry of space-time, and the rate of change of the space-time geometry, in direct analogy with Heisenberg's Uncertainty Principle for quantum systems.


Wheeler imagined that this indeterminacy for space-time required that at the so-called Planck Scale of 10^-33 centimeters and 10^-43 seconds, space-time has a foaminess to it with sudden changes in its geometry into a wealth of complex shapes and textures.


You would have quantum black holes appear at 10^-33 centimeters, then evaporate in 10^-43 seconds. Wormholes would form and dissolve, and later theorists even postulated 'baby universe' production could happen under these conditions.

The problem is that we have no evidence that 1) gravity is a quantum field and 2) that space-time has this type of structure at these scales.


Quantum foam has recently lost some credit. With a some what recent experiment dealing with two types of particles traveling through space. The theory goes that a small particle traveling through this foam would be obstructed by it a little where as a larger particle wouldn't. Therefore you should see a discrepancy between the velocity of the two particles. It was tested and discovered that both particles traveled at the same velocity. The theorized smaller particle was not obstructed like the quantum foam theory predicted it should have been.

This might not be a jaw dropping conclusion but for most supporters of the quantum foam theory have some new things to consider.
 
Jackofalltrades phil
 
Reply Tue 19 Jan, 2010 06:06 am
@prothero,
Well let me define matters of Mind, and the mind of Matters, in philosophical terms.


Matter:
1) Scientific or Physical Paradigms:
That which can be felt, seen, smelled, touched, tasted or heard.

2) Metaphysical; Spiritual :
That which changes

Mind:
1) Scientific or Physical Paradigms:
That which perceives, in other word that which feels, sees, smells, measures, tastes or hears.

2) Metaphysical; Spiritual :
That which remains the same.

I should say this is a simplistic version and quite broad in approach but hopefully useful.
 
housby
 
Reply Tue 19 Jan, 2010 07:22 am
@Jackofalltrades phil,
Jackofalltrades;120839 wrote:
[/COLOR]
Experience is knowledge. Intuition is also knowledge. Logic and memory helps experience to formulate knowledge that was gained, Intellect helps mind to be sharp and intuitive. The idea that Education leads to wisdom is very wrong, Experience and Intuition gives out wisdom.

Power of Imagination, Creativity and Reasonings are the by-products of Experience and Intuitiveness. The idea that New Knowledge is created is wrong. New understandings are extracted, derived or deducted out of Nature. Mind-Intellect only processes the new information with the help of previous understandings and through what is known as thought process.
Mind does matter, but Matter do exist.

Are you equating intuition with instinct? I ask this because in all my reading and discussions on the subject of awareness without experience the one thing I have never been able to "fit" into my ideas is the problem of instinct. Instinct seems to be a seemingly concrete knowledge that has no apparent prior cause (which kind of carves a bit of a whole in my previous argument) but I when I think of intuition it seems to be that this is only a feeling that may or may not have any basis in fact or action. I give the example of the legendary "women's intuition" which I feel is nonsense as opposed to instinct backed by action that seems natural in animals and young human babies. This is, of course, mainly attributed to animals but in human beings there does seem to be the possibility of non-experiencial knowledge. The obvious one being, at the very earliest age, the "instinct" of a new born baby to suckle it's mother's breast. I do seem to be back-tracking on this but it doesn't fit with the idea of experience being the source of knowledge. I certainly have never been able to come up with anything to explain this. Any thoughts on this would be greatly appreciated.
By the way, to be fair, we seem to have gone off thread here a little and if those concerned would rather start another one more apt I'd be glad to kick it off?
 
Jackofalltrades phil
 
Reply Tue 19 Jan, 2010 12:38 pm
@prothero,
Yes we have......... It is best to pose this question in another forum/sub-forum.

I have lot of observational thoughts on these things, as an average naturalist. But you can pose it on the language section.

I also got a brainwave - got a teaser or shall we say a puszzle for you. Is language, a matter?
 
jeeprs
 
Reply Tue 19 Jan, 2010 03:16 pm
@Jackofalltrades phil,
Jackofalltrades;120986 wrote:
Well let me define matters of Mind, and the mind of Matters, in philosophical terms.


Matter:
1) Scientific or Physical Paradigms:
That which can be felt, seen, smelled, touched, tasted or heard.

2) Metaphysical; Spiritual :
That which changes

Mind:
1) Scientific or Physical Paradigms:
That which perceives, in other word that which feels, sees, smells, measures, tastes or hears.

2) Metaphysical; Spiritual :
That which remains the same.

I should say this is a simplistic version and quite broad in approach but hopefully useful.


IN the various spiritual psychologies, mind, like reality, is heirarchical. So there is an aspect which is nothing but change. Then there is what Zen calls 'Big Mind' or the Advaitins call 'the unknown knower'.
 
Jackofalltrades phil
 
Reply Wed 20 Jan, 2010 01:03 am
@prothero,
prothero;120897 wrote:
There are four fundamental forces in modern physics (nuclear strong, nuclear weak, electromagnetism and gravity). Three of these forces already have been described in quantum terms and can be shown to fuse as a single force early in the history (big bang) of the universe. Gravity is the sole remaining force which has not yet been described in quantum terms although there are proposals for a quantum description of gravity. The unified field theory, Theory of everything (TOE), string theory and now M theory are attempts to unify the four fundamental forces in a single encompassing mathematical description which probably will be a quantum description.

M theory predicts the graviton and it has the properties necessary for a quantum system of gravity which were determined before the development of M theory. In short unless a major new revelation in physics is forthcoming, qravity too will receive a quantum description and be unifed in the final TOE. General relativity our current theory of gravity/space time requires point particles and continous space time (i.e. it is not a quantum description). The equations of general relativity break down on the scale of the very large and the very small and give nonsense (infinite) results. It is clear general relativity is not the final answer on a theory of gravity/space-time.

One needs to take quantum descriptions of gravity and space time seriously. Just as the image on your computer screen appears continous but is really composed of discrete dots, space time only appears continous when viewed from a distance and on certain scales. Of course the quantum nature of space time and qravity only appears at distances corresponding to the Planck dimensions but the implications of a quantum character to space time and gravity in philosophical terms are relatively profound. We all know about the strangeness of the quantum world and the disappearing atom now gravity and space time itself are subject to the same mysterious behaviors on small or large enough scales. One of the definitions of "matter" afterall is that which has mass and occupies space: so a profound change in "space" is a profound change in "matter".

---------- Post added 01-18-2010 at 03:44 PM ----------

Reminiscent of the old joke
Daddy "what is matter?" Father "Never mind."
Daddy "What is mind?" Father "No matter."



According to this; "Matter" is that which has mass and occupies space.
According to the current human ability to grasp the meaning of space, it can only do so by perceiving the three-dimensional space continuum.

As far as current understandings goes, Space is continious, inseperable, currently infinite (immeasurable), add to it the relativistic dimension of time, you get space-time. But to measure quantum matter, does time play a role. The uncertainty principle makes it difficult to measure any matter whose change is unpredictable. So to add time to measure the 'dimension' of quantum matter is a difficult proposition.

So, can't we do away with time for a while, but concentrate on space. If space is continuous, than quantum matter also involves space.

Now, on mass, - if any matter occupies space, mass should also be present. But mass can have a value only if gravity exist. So gravity is the only force that allows mass. In which case, can we say, that mass is dependent on gravity.

Hence, it seems when you say 'a profound change in space' (disregarding mass) means a change in matter, is not entirely wrong. Taking your proposition as a cue, we can flip the theory around. and try and see it the other way round, and check whether it makes any sense.

As the star-trek author said, Space is the final frontier. It is difficult to comprehend space, unless we relate it with matter of some kind and describe it by its dimensions or distance.

In quantum Physics, correct me if i am wrong, the theory cannot measure space by its vastness or smallness.

The problem may be due to what is now called as the process of matter, instead of the structure of matter, as hinted at by the quote in the book (refer previous posts).
Therfore, Matter as an interconnected whole, at least in the quantum paradigm, is in a process of continous change, and so defines space due to the changeness of matter. The relation between two quantum events is therefore 'space'.

Any thoughts?

---------- Post added 01-20-2010 at 01:16 PM ----------

jeeprs;121100 wrote:
IN the various spiritual psychologies, mind, like reality, is heirarchical. So there is an aspect which is nothing but change. Then there is what Zen calls 'Big Mind' or the Advaitins call 'the unknown knower'.


Do you mean, that mind also changes. I don't know much about Zen, but advaitins like Ramana has said that the Real Mind - The unknown knower/observer/seer does not change. If you are refering to gross mind, it does change.
 
jeeprs
 
Reply Wed 20 Jan, 2010 01:52 am
@prothero,
yes that is what I meant. The gross mind is always changing, that is its nature. Mine is pretty gross and it changes constantly:-)
 
 

 
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