Re: Mass/Energy Conservation

[Jim Green <JMGreen@SISNA.COM>]

At 19:16 10 12 2000 , you wrote:
> At 6:17 PM -0700 12/10/00, Jim Green,  you wrote about Re:
> Mass/Energy Conservation:
> >
> >Oops!  Mass IS energy -- They are the same thing!
>
>
> careful here. Beware of reification ! ! ! ! !

I grovel in apology.  You are absolutely correct:  The "property of mass"
is the same as the "property of energy".

> Just because TIME magazine sez it's the 'Equation of the Century', do
> we REALLY want our young impressionable students to suspect that this
> 'E' has as much 'reality' as the m in E = mc^2

If we are good teachers, this is exactly what we should teach.

> (smile)  and just WHAT does the = sign mean anyway?!?!?!?  ;-)

It is not an equality sign; it is an equivalence/identity sign, but I don't
have one on my keyboard.  Sorry<g>

Jim


Jim Green
mailto:JMGreen@sisna.com
http://users.sisna.com/jmgreen