hmm: So what happens if a repulicon and a boson colide? On Fri, Apr 19, 2013 at 10:33 PM, Steve Smith <sasm...@swcp.com> wrote:
> leptons- > > I think it is all "intermediate vector bosons"... or maybe I just like the > way that phrase sounds? > > -boson > > Thanks for all the answers. To answer John's question first, magnetism > doesn't seem miraculous (it's too familiar), but I can't say I understand > how it works. It was just that question about magnetism that Feynman was > asked as the start of the video<http://www.youtube.com/watch?v=wMFPe-DwULM> in > which he danced around the question before saying he couldn't give an > intuitive answer. > > What would a satisfying answer look like? That's a very good question. > Superficially it would be something like a sophisticated version of > billiard balls: when one hits another, energy is transferred. But even that > doesn't work well when looked at carefully. What happens in detail when > one hits another. If the two objects were absolutely solid, how would one > "feel" the impact of the other. Would the transfer simply become a > primitive? If they were somewhat springy, how does that springyness work? > And besides, there must be some surface-like thing that receives the impact > and something more internal that absorbs it. > > Bruce's QM photon explanation is pretty close to what I'm looking for, > but as he notes, it only works for repulsive forces. It also relies on > primitives. In that case the emission and absorption of a photon and the > associated transfer of energy seem to be primitive actions. > > The papers by Hobson look very interesting. They even look like I can > read them. I haven't done that yet, though. > > As a software person, a good explanation is often something like an API. > How does one object interact with another? We know that objects have > capabilities (specified by their APIs), and that it's possible for one > object to trigger the performance of a capability in another object. We > don't ask how the triggering event gets from one to the other. That's magic > at a lower level. We just assume that it can happen and that there isn't > anything more to say about it at the object level of abstraction. > > So I would be (somewhat) happy with an answer that said (a) what the > capabilities are (something like a API for elementary particles/fields) > and (b) what the non-decomposable primitive actions are, e.g., like emit > and absorb. > > > > > *-- Russ Abbott* > *_____________________________________________* > * Professor, Computer Science* > * California State University, Los Angeles* > > * My paper on how the Fed can fix the economy: ssrn.com/abstract=1977688 > * > * Google voice: 747-*999-5105 > Google+: plus.google.com/114865618166480775623/ > * vita: *sites.google.com/site/russabbott/ > CS Wiki <http://cs.calstatela.edu/wiki/> and the courses I teach > *_____________________________________________* > > > On Fri, Apr 19, 2013 at 7:06 PM, John Kennison <jkenni...@clarku.edu>wrote: > >> Russ, >> >> Before people knew about magnetism, it must have seemed miraculous that >> two stones would spontaneously start to move toward (or away from) each >> other. Now we can say, "Oh, it's just magnetism". But if we think about >> long enough, we may still wonder how two objects can move toward or away >> from each other. My question would be, "Does magnetism still seem a bit >> miraculous, or do you feel your question is answered, at least for >> magnetism? In either case, what would a satisfying answer look like?" >> >> John >> >> ________________________________________ >> From: Friam [friam-boun...@redfish.com] on behalf of Russ Abbott [ >> russ.abb...@gmail.com] >> Sent: Friday, April 19, 2013 1:50 PM >> To: FRIAM >> Subject: [FRIAM] How do forces work? >> >> Yesterday I asked this question< >> http://physics.stackexchange.com/questions/61542/how-do-forces-work?noredirect=1#comment123788_61542> >> on StackExchange: physics. >> >> Is there a mechanistic-type explanation for how forces work? For example, >> two electrons repel each other. How does that happen? Other than saying >> that there are force fields that exert forces, how does the electromagnetic >> force accomplish its effects. What is the interface/link/connection between >> the force (field) and the objects on which it acts. Or is all we can say is >> that it just happens: it's a physics primitive? >> >> So far, there haven't been any answers that feel satisfying--although, >> please look at them yourselves. One of the comments pointed to a 7 1/2 >> minute video by Feynman, in which he talks around the problem before >> finally saying he can't provide an intuitive explanation. I don't think it >> was one of his better efforts. Does anyone on this list have an answer? >> >> -- Russ Abbott >> _____________________________________________ >> Professor, Computer Science >> California State University, Los Angeles >> >> My paper on how the Fed can fix the economy: ssrn.com/abstract=1977688 >> <http://ssrn.com/abstract=1977688> >> Google voice: 747-999-5105 >> Google+: plus.google.com/114865618166480775623/< >> https://plus.google.com/114865618166480775623/> >> vita: sites.google.com/site/russabbott/< >> http://sites.google.com/site/russabbott/> >> CS Wiki<http://cs.calstatela.edu/wiki/> and the courses I teach >> _____________________________________________ >> > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >
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