Re: Lorentz scalar and Lorentz invariant scalar are not the same thing?
- From: PD <TheDraperFamily@xxxxxxxxx>
- Date: Mon, 30 Jul 2007 11:24:21 -0700
On Jul 30, 12:37 pm, "gu...@xxxxxxxxxxx" <gu...@xxxxxxxxxxx> wrote:
On Jul 30, 12:50 pm, "Jeckyl" <no...@xxxxxxxxxxx> wrote:
<gu...@xxxxxxxxxxx> wrote in message
news:1185813270.920218.168100@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Correct?
Look it up
http://en.wikipedia.org/wiki/Lorentz_scalar
Therefore it is correct that Lorentz scalar and Lorentz invariant
scalar are not the same thing?
That's correct, they are not the same thing. "Scalar" tells you how
many quantities are needed to describe it (1), and "invariant" tells
you how that quantity depends on the choice of reference frame.
An "apple" and a "green apple" are not the same thing.
PD
.
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