AOH :: PHO-MASS.TXT|
Einstein: The photon has mass
EINSTEIN: THE PHOTON HAS MASS
To all those who believe the fable about the photon having no mass,
let me tell you the story Einstein tells. And then we shall see.
We have a "body" popping along at a goodly pace. Therefore, it has a
kinetic energy and is subject to the Lorentz transform which we will
designate here as R.
Now, here comes a photon that slams into the body and is, in Einstein's
own words, "absorbed".
Einstein gives the energy of the photon as E_0. (He refers to it as
Now the body, in absorbing the photon, does *not* -- by stipulation --
increase in velocity (This is important) but *does* increase in kinetic
energy by -- not E_0 but by E_0/R.
(m + --- ) c^2
The new energy of the body is ==============
"Thus the body has the same energy as a body of mass (m + --- ) moving
with velocity v" (the same continuing velocity)
"Hence we can say: If a body takes up an amount of energy E_0, then
its inertial mass increases by an amount E_0/c^2 ; the inertial mass
of a body is not a constant, but varies according to the change in the
in the energy of the body. The law of the conservation of the mass of
a system becomes identical with the law of the conservation of energy,
and is only valid provided the system neither takes up nor sends out
- - - - - - - - - - - -
That's what Vergon has been saying all along!
In addition this scenario fits my description of the Compton scattering
I've used quotes here because Einstein said it -- and said it much better
than I could have.
In my words:
In short, we have a body moving at a high velocity absorbing a photon
without increasing its velocity. The mass of the body increases, increasing
the kinetic energy. The increased mass has to be that of the photon.
- - - - - - - - - - - - -
V.V. The Ugly Duckling
The entire AOH site is optimized to look best in Firefox® 3 on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986- AOH
We do not send spam. If you have received spam bearing an artofhacking.com email address, please forward it with full headers to firstname.lastname@example.org.