Re: Carroll on general relativity, poll questions



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Topic: Science > Physics
User: ""
Date: 03 Sep 2004 10:12:02 AM
Object: Re: Carroll on general relativity, poll questions
Bjoern Feuerbacher wrote:

Mike Helland wrote:

You think that even though one theory says "photons always travel

at

c" and the other says "photons don't always travel at c" that there

is

no apparent contradiction for possible resolutions should not be
sought?


Err, *both* theories say that *observable* photons travel only at c.

So,

where is the problem?

Can you provide a cite that supports "QED says observable photons only
travel at c"?
And even if this is true, doesn't it all sound a little strange?
Relativity says one thing about photons (real or virtual) while QED
says another.
Science is the culture of doubt, some would say, where these type of
oddities are viewed as clutter in need of some tidying up. If you turn
your back on these hints in our theory, and using ad-hoc excuses manage
to pretend that everything is just peachy, you're not helping the
culture of doubt.
.

User: "Bjoern Feuerbacher"

Title: Re: Carroll on general relativity, poll questions 03 Sep 2004 10:20:37 AM
wrote:

Bjoern Feuerbacher wrote:

Mike Helland wrote:



You think that even though one theory says "photons always travel
at
c" and the other says "photons don't always travel at c" that there
is
no apparent contradiction for possible resolutions should not be
sought?


Err, *both* theories say that *observable* photons travel only at c.
So, where is the problem?



Can you provide a cite that supports "QED says observable photons only
travel at c"?

No, not at once. Can *you* provide a cite that supports "QED says
observable photons don't travel always at c"? Remember, *you* made a
claim first. It is *your* responsibility to support it.

And even if this is true, doesn't it all sound a little strange?
Relativity says one thing about photons (real or virtual) while QED
says another.

Wrong. Relativity simply does not speak about virtual photons. Only QED
does.

Science is the culture of doubt, some would say, where these type of
oddities are viewed as clutter in need of some tidying up. If you turn
your back on these hints in our theory, and using ad-hoc excuses manage
to pretend that everything is just peachy, you're not helping the
culture of doubt.

Hint: there are no such hints in the theories.
Bye,
Bjoern
.


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