# [SI-LIST] Re: Circle bus topology; Circular Firing Squad?

*From*: "David Banas" <david.banas@xxxxxxxxxx>*To*: <si-list@xxxxxxxxxxxxx>*Date*: Thu, 2 Aug 2007 11:14:52 -0700

I don't think it's correct to think of the electron and photon "collisions" as similar, since electrons are Fermions and photons are Bosons. Whereas Fermions are prohibited by the laws of quantum mechanics from occupying the same state and, therefore, must repel each other when they get close, Bosons are actually "encouraged" by quantum mechanics to occupy identical states. In fact, the more Bosons that are in a particular state, the more likely it is that a new one will join them. (This is why lasers work.) -db > -----Original Message----- > From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] > On Behalf Of Muranyi, Arpad > Sent: Wednesday, August 01, 2007 11:13 AM > To: si-list@xxxxxxxxxxxxx > Subject: [SI-LIST] Re: Circle bus topology; Circular Firing Squad? >=20 > This is why we need to use coloring dye... :-) >=20 > Seriously, I wonder about the particle and > wave duality of electrons. Remember, the > drift velocity of electrons is not the same > as the propagation velocity of the EM waves. >=20 > So what happens at the "collision" point (i.e. > the electrical midpoint of the loop)? Do=3D20 > the electrons hit each other and bounce back > like balls with the drift velocity speeds, > while at the same time the waves go through > each other (at speeds close to c) without > changing directions? >=20 > Another analogy comes to my mind, when two laser > beams on different path cross each other. After > the cross point we are still going to see their > original colors without any mixing. However, > if you did the same with two water streams, > the cross point will result in a splash in all > different directions... >=20 > Is there someone out there with a good physics=3D20 > background who could shed some light on this? >=20 > Thanks, >=20 > Arpad > =3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D= 3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D =3D3 > D=3D > =3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D= 3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D=3D3D =3D3 > D=3D > =3D3D > =3D20 >=20 > -----Original Message----- > From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] > On Behalf Of Vinu Arumugham > Sent: Wednesday, August 01, 2007 10:45 AM > To: olaney@xxxxxxxx > Cc: weirsi@xxxxxxxxxx; erdinih@xxxxxxxxx; ron@xxxxxxxxxxx; > si-list@xxxxxxxxxxxxx > Subject: [SI-LIST] Re: Circle bus topology; Circular Firing Squad? >=20 > Orin, > Since the reflected and propagated waves have identical properties and=3D20 > are indistinguishable, how can you be sure it is one and not the other? >=20 > Thanks, > Vinu > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field >=20 > or to administer your membership from a web page, go to: > http://www.freelists.org/webpage/si-list >=20 > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field >=20 >=20 > List technical documents are available at: > http://www.si-list.net >=20 > List archives are viewable at: > http://www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu >=20 >=20 ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: http://www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu

**Follow-Ups**:**[SI-LIST] Re: Circle bus topology; Circular Firing Squad?***From:*ronald miller

**References**:**[SI-LIST] Re: Circle bus topology; Circular Firing Squad?***From:*Vinu Arumugham

**[SI-LIST] Re: Circle bus topology; Circular Firing Squad?***From:*Muranyi, Arpad

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