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

• To: <si-list@xxxxxxxxxxxxx>
• Date: Wed, 1 Aug 2007 12:03:15 -0700

```Now that I think of it, the electrons in the copper lattice
are moving in all different directions, not just in the
direction of the wave, so they not only hit the electrons
of the other wave where the waves meet, but they also hit the
electrons of their own wave...  So the bouncing will basically
follow a random pattern allowing some to go through, some
go sideways, others to turn around, etc...
=20
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

-----Original Message-----
Sent: Wednesday, August 01, 2007 11:13 AM
To: si-list@xxxxxxxxxxxxx
Subject: RE: [SI-LIST] Re: Circle bus topology; Circular Firing Squad?

This is why we need to use coloring dye...  :-)

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.

So what happens at the "collision" point (i.e.
the electrical midpoint of the loop)?  Do=20
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?

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...

Is there someone out there with a good physics=20
background who could shed some light on this?

Thanks,

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D
=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?

Orin,
Since the reflected and propagated waves have identical properties and=20
are indistinguishable, how can you be sure it is one and not the other?

Thanks,
Vinu
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