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| Tags: discussion, fields |
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#11
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"Jan Panteltje" wrote in message ... On a sunny day (Sun, 13 Apr 2008 17:36:20 -0700) it happened Uncle Al wrote in : "Dr. Henri Wilson" wrote: Let's be honest. Nothing physics has produced so far has given any insight into what makes a 'field'. [snip rest of crap] 0) a distribution of observable(s) at points in space; 1) intensity 2) gradient 3) divergence 4) curl; 5) idiot. Al, what gotten in to you. He addresses a good point, 'field' is just a concept, you can replace it whith 'ghost' in many occasions. There is no mechanism. What he says is: In case of 2 electrons, what is happeing between them, _other_ then writing down some equation that describes the forces we observe. Does something flow? MECHANISM is what we need, and until that day physics will not advance, just like your diamonds (hey got it out). I Think I know.. But no body seems to agree with me ![]() |
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#12
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Eric Gisse wrote:
.. Ralph Rabbidge does not understand that physics does not explain 'why', it just models. The "why" in physics, is really "how". Physics provides the formal (laws), material (entities and objects) and efficient causes (events and interactions) of things. It never provides purpose, end or final causation of things. Bob Kolker |
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#13
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Dr. Henri Wilson HW@.... wrote in message
Let's be honest. Yes, let's be: http://users.telenet.be/vdmoortel/di...gedDegree.html http://users.telenet.be/vdmoortel/di...alFumbles.html Dirk Vdm |
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#14
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"Dr. Henri Wilson" wrote:
On Sun, 13 Apr 2008 17:36:20 -0700, Uncle Al wrote: "Dr. Henri Wilson" wrote: Let's be honest. Nothing physics has produced so far has given any insight into what makes a 'field'. [snip rest of crap] 0) a distribution of observable(s) at points in space; 1) intensity 2) gradient 3) divergence 4) curl; 5) idiot. **** off cretin. Why do you bother? Henri Wilson. ASTC,BSc,DSc(T) Nice string of letters. Invent a few more. An idiot is not half way to being an idiot-savant. Uncle Al is intolerant of stupidity and those who are proud of it. Ignorance is not a form of knowing things. Crack a textbook, schmuck. -- Uncle Al http://www.mazepath.com/uncleal/ (Toxic URL! Unsafe for children and most mammals) http://www.mazepath.com/uncleal/lajos.htm#a2 |
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#15
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"Dr. Henri Wilson" HW@.... schrieb im Newsbeitrag ... Let's be honest. Nothing physics has produced so far has given any insight into what makes a 'field'. Apart from the fact that the maths describing the forces are well known, action-at-a-distance is as much a mystery as ever. a field is something distributing in space. It could be anything: temperature, sound, magnetism. So field is a concept to describe how that something distributes. What you seemingly want to know, how magnetism i.e. manage to distribute. The right question is not : what is a field? but : what is space? Thomas Heger |
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#16
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On Mon, 14 Apr 2008, Jan Panteltje wrote:
Uncle Al wrote: "Dr. Henri Wilson" wrote: Let's be honest. Nothing physics has produced so far has given any insight into what makes a 'field'. [snip rest of crap] Al, what gotten in to you. He addresses a good point, 'field' is just a concept, you can replace it whith 'ghost' in many occasions. There is no mechanism. What he says is: In case of 2 electrons, what is happeing between them, _other_ then writing down some equation that describes the forces we observe. Does something flow? MECHANISM is what we need, and until that day physics will not advance, just like your diamonds (hey got it out). Decartes proposed mechanisms, Newton just wrote down some equations describing the forces we observe. Cartesian physics is now just a quaint episode in the history of wrong turns in physics, Newtonianism led to remarkable and dramatic advances in physics. Note that one of the biggest early advances in electromagnetic theory was the direct result of the adoption of Newtonianism by Aepinus. Given the various recent advances in physics (especially applied physics), I wouldn't say that mechanism is _needed_. Nice to have perhaps. One problem: all you'll ever know is that you have a mechanism that is described by a mathematical model that also describes observed phenomena. How will you know your proposed mechanism is correct? -- Timo Nieminen - Home page: http://www.physics.uq.edu.au/people/nieminen/ E-prints: http://eprint.uq.edu.au/view/person/...,_Timo_A..html Shrine to Spirits: http://www.users.bigpond.com/timo_nieminen/spirits.html |
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#17
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Dr. Henri Wilson skrev:
Let's be honest. Nothing physics has produced so far has given any insight into what makes a 'field'. Apart from the fact that the maths describing the forces are well known, action-at-a-distance is as much a mystery as ever. Consider a completely isolated negative charge in remote space. The question is, does its 'field' exist in the absence of another charge. If so, how is the surrounding space modified in such a way that if another charge is introduced at any distance , a force immediately exists between the two. That force can be attractive or repulsive depending whether the charges are unlike or like. The gravitational field associated with unit mass is fundamentally different in that like masses ATTRACT each other. There is no information about the nature of forces between positive and 'negative' mass (presumeably anti-matter). It can be deduced from this that the properties of space that account for an electrostatic field must be fundamentally different from those that are associated with gravity. It is also apparent that the relative movement of a charge or charges somehow alters their combined surrounding fields to create what is called a magnetic field. Again, although the maths of magnetism are well documented, there is no actual physical model that describes the relationship between electrostatic and magnetic force fields. You mean a "physical model" like a clockwork? Blame it on the fairies. They connect the fields "physically" with invisible cogs and wheels. -- Paul http://home.c2i.net/pb_andersen/ |
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#18
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-- This message is brought to you by Androcles http://www.androcles01.pwp.blueyonder.co.uk/ "Paul B. Andersen" wrote in message ... | Dr. Henri Wilson skrev: | Let's be honest. Nothing physics has produced so far has given any insight into | what makes a 'field'. Apart from the fact that the maths describing the forces | are well known, action-at-a-distance is as much a mystery as ever. | | Consider a completely isolated negative charge in remote space. The question | is, does its 'field' exist in the absence of another charge. If so, how is the | surrounding space modified in such a way that if another charge is introduced | at any distance , a force immediately exists between the two. That force can be | attractive or repulsive depending whether the charges are unlike or like. | | The gravitational field associated with unit mass is fundamentally different in | that like masses ATTRACT each other. There is no information about the nature | of forces between positive and 'negative' mass (presumeably anti-matter). | It can be deduced from this that the properties of space that account for an | electrostatic field must be fundamentally different from those that are | associated with gravity. | It is also apparent that the relative movement of a charge or charges somehow | alters their combined surrounding fields to create what is called a magnetic | field. Again, although the maths of magnetism are well documented, there is no | actual physical model that describes the relationship between electrostatic and | magnetic force fields. | | You mean a "physical model" like a clockwork? | Blame it on the fairies. | They connect the fields "physically" with invisible cogs and wheels. | Time-dilated clockwork, Tusseladd. The invisible cogs between Earth and Moon slip 6 hours every million years, remember. Blame it on lunacy - yours. |
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#19
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On Mon, 14 Apr 2008 09:11:36 GMT, Jan Panteltje
wrote: On a sunny day (Sun, 13 Apr 2008 17:36:20 -0700) it happened Uncle Al wrote in : "Dr. Henri Wilson" wrote: Let's be honest. Nothing physics has produced so far has given any insight into what makes a 'field'. [snip rest of crap] 0) a distribution of observable(s) at points in space; 1) intensity 2) gradient 3) divergence 4) curl; 5) idiot. Al, what gotten in to you. He addresses a good point, 'field' is just a concept, you can replace it whith 'ghost' in many occasions. There is no mechanism. What he says is: In case of 2 electrons, what is happeing between them, _other_ then writing down some equation that describes the forces we observe. Does something flow? MECHANISM is what we need, and until that day physics will not advance, just like your diamonds (hey got it out). Just feel sorry for the poor bugger. He can't even understand the question.... Henri Wilson. ASTC,BSc,DSc(T) www.users.bigpond.com/hewn/index.htm .....specialising in teaching physics to engineers and mathematicians.... |
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#20
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On Mon, 14 Apr 2008 12:26:18 -0400, "Robert J. Kolker"
wrote: Eric Gisse wrote: . Ralph Rabbidge does not understand that physics does not explain 'why', it just models. The "why" in physics, is really "how". Physics provides the formal (laws), material (entities and objects) and efficient causes (events and interactions) of things. It never provides purpose, end or final causation of things. So physics doesn't explain WHY thunder follows lightning? I assume you still believe in the thunder god? Bob Kolker Henri Wilson. ASTC,BSc,DSc(T) www.users.bigpond.com/hewn/index.htm .....specialising in teaching physics to engineers and mathematicians.... |
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