According to special relativity, anything with a positive rest mass
travels slower than the speed of light. Neutrinos have been measured
with a positive rest mass, of around 40ev for the electron neutrino
IIRC, and higher values for the muon and tauon neutrinos.

I have never heard of either tardyon or luxon before either, but have
heard of tachyon, or faster than light particle. Clearly tardyon is
therefore slower than light, and luxon is at light speed.

Luxons therefore have zero rest mass, and tachyons have imaginary (ie
proportional to sqrt(-1)) rest mass.

Cheers

On Mon, Oct 10, 2005 at 03:06:55PM -0700, John Ross wrote:
> Where is the proof that a neutrino is not a photon.  I believe people
> are only guessing that a neutrino is a tardyon, whatever in the hell a
> tardyon is.  Tardyons are not in my dictionary.
> 
> -----Original Message-----
> From: Hal Ruhl [mailto:[EMAIL PROTECTED] 
> Sent: Monday, October 10, 2005 2:50 PM
> To: everything-list@eskimo.com
> Subject: RE: Neutrino shield idea
> 
> 
> As I understand it a photon is a luxon as is a gluon and a neutrino 
> is a tardyon.
> 
> Hal Ruhl
> 
> 
> At 04:49 PM 10/10/2005, you wrote:
> >I think the beta decay model is wrong where it predicts neutrinos are 
> >basically different from photons.  I understand neutrinos travel at the
> 
> >speed of light.  Only photons travel at the speed of light.
> >
> >-----Original Message-----
> >From: Saibal Mitra [mailto:[EMAIL PROTECTED]
> >Sent: Friday, October 07, 2005 4:30 PM
> >To: John Ross; everything-list@eskimo.com
> >Subject: Re: Neutrino shield idea
> >
> >
> >This means that beta decay proves your model wrong.
> >
> >----- Original Message -----
> >From: "John Ross" <[EMAIL PROTECTED]>
> >To: "'Stephen Paul King'" <[EMAIL PROTECTED]>; 
> ><everything-list@eskimo.com>
> >Sent: Saturday, October 08, 2005 12:35 AM
> >Subject: RE: Neutrino shield idea
> >
> >
> > > Thanks for the paper relating to detection of "low energy" 
> > > neutrinos. However, according to my model, neutrinos are very, very 
> > > high energy photons (off everybody's chart, except mine).
> > >
> > > Therefore, if my model is correct, then low energy neutrinos would 
> > > merely be the photons we are familiar with and would be very easy to
> 
> > > detect.
> > >
> > > -----Original Message-----
> > > From: Stephen Paul King [mailto:[EMAIL PROTECTED]
> > > Sent: Friday, October 07, 2005 12:54 PM
> > > To: everything-list@eskimo.com
> > > Subject: Neutrino shield idea
> > >
> > >
> > > Howdy!
> > >
> > >     I friend of mine has worked on a related idea that might help 
> > > this
> >
> > > inverstigation. Please see:
> > >
> > > http://davidwoolsey.com/physics/ideas/neutrinoscope/index.html
> > >
> > > Kindest regards,
> > >
> > > Stephen
> > >
> > > ----- Original Message -----
> > > From: "John Ross" <[EMAIL PROTECTED]>
> > > To: <[EMAIL PROTECTED]>
> > > Cc: <everything-list@eskimo.com>
> > > Sent: Friday, October 07, 2005 11:57 AM
> > > Subject: RE: ROSS MODEL OF THE UNIVERSE - The Simplest Yet Theory of
> 
> > > Everything
> > >
> > >
> > > > Yes.  But building a neutrino shield would be difficult.
> > >

-- 
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