Re: Consistancy of the speed of light.

"Spaceman" <Realspace@xxxxxxxxxxx> wrote in message news:T4Wdnf02ItAcM3veRVn-pQ@xxxxxxxxxxxxxx

"Greg Neill" <gneillREM@xxxxxxxxxxxxxxxxxx> wrote in message
news:givFf.4677$1e5.108526@xxxxxxxxxxxxxxxxxxxxxxxx
| Why do you insist on one when there are thousands
| to monitor, all doing the same thing?

Thousands doing the same thing
through a static and magnetic field?
wow..
I think you have a funny thing going on there.
They are immune to electrons according to you then?
dang,
and you know one does it the exact same as 999 others
That is pretty wild
and bull*** too.

You're being foolish again, James. The speeds of
these things are such that no deviations from
a straight line path will occur. These things
aren't floating down through honey you know.
They're moving like a bullet through a vacuum.

| > You have no physical path being watched,
| > and you have no physical evidence of the muon being
| > the same muon.
|
| Don't care which particular muon it is if we know
| where it came from and how fast it's going in
| a straight line trajectory.

An you know all thousands go straight?
It is not effected by the curvature of spacetime huh?
Immune to free electrons and air molecules completely?

Too fast and too heavy to deviate. Gravity acts on them
for a few tens of microseconds while they descend. Muons
have no stong interaction properties and are too massive
to be significantly deflected by atomic electric fields
that they encounter.


| The muons are seen to decay at ground level.

That means nothing.
all sorts of things decay faster closer to Earth
than the would in lesser pressure up high.

What pressure can a muon feel? It's much smaller
than any atom. As far as it's concerned, *everywhere*
is a vacuum. Or are you going to invoke some
mytical properties here?

| You're falling back on your need to disregard empirical
| evidence when you get backed into a corner. You always
| do this when you can't weasle out another way.

The emperical evidence you have is lacking physical
evidence.
Still no physical proof the same muon is what you are measuring.

As I said, there's no need. We know where they are
generated (at about 9000m altitude) and that they
have specific decay rates, interaction cross sections,
and so forth. We know how much energy they have when
they do make it to ground level (that is, we know their
velocities).

They have a rest frame decay halflife of about 1.4
microseconds. Travel time according to our clocks
for something moving at the speed they're measured
to have from the height they're made is on the order
of about 40 microseconds. That's about 28 times the
rest frame half-life.

| What can accelerate the muon after it's created?

What can accelerate electrons after they are lost?

You don't seem to appreciate the significance of the
great mass and velocity these things have.


| Interaction cross section is low, mean free path
| is large, gravity will have negligible effect.
| We know the speed when we detect them.

You know the speed how?
You detected it fly by, and timed the exact same muon
a little bit further in it's path?

We know the rest mass of the muon and we measure the
kinetic energy deposited when they hit the detector.
Simple math from there.


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