Re: reality of PE, was: Derive energy from angular KE of earth?

[Chuck Britton <britton@NCSSM.EDU>]

> In perhaps a more fruitful discussion of the term energy,  I thought
> that Gene Hecht's recent article on Nov03 TPT (freely available at
> <http://ojps.aip.org/dbt/dbt.jsp?KEY=PHTEAH&Volume=41&Issue=8>
> ) was an extraordinary example of a scholarly look at physics
> language and conceptual development.  I thought of Jim when
> I read it; it implies calor has mass :^)
>
> See
>   An Historico-Critical Account of Potential Energy: Is PE Really Real?
> Eugene Hecht
> pp. 486-493


I THINK that I remember Feynman stating in his 'lectures' that
heating a block of metal does not change it's mass. PERHAPS he used
some appropriate 'waffle words', but wouldn't the additional KE of
the atoms result in greater mass for the block????

If not, why not.
--
Chuck Britton                                   Education is what is left when
britton@ncssm.edu                               you have forgotten everything
North Carolina School of Science & Math         you learned in school.
(919) 416-2762                                  Albert Einstein,        1936