Re: [Phys-l] EM, is it energy

[carmelo@pacific.net.sg]

Quoting "LaMontagne, Bob" <RLAMONT@providence.edu>:
> ?? If the wave is traveling through empty space, what are these "forces"
> acting upon? Do you mean fields?
>
> Wave is energy? Guess it depends on what the definition of "is" is! Oops
> - I guess this is more appropriate for the PHYSOC list
>
> Bob at PC

This was quoted from BBC News: (Not my idea!)
http://news.bbc.co.uk/1/hi/sci/tech/1702259.stm

Ironically, many physicists prefer to consider energy as an "abstract  
concept", yet explain the flow of energy through Poynting vector as if  
it is a material being. Poynting Vector gives the direction of flow of  
"abstract concept"?


Alphonsus