Cecil Moore wrote:

Jim Kelley wrote:

I think I'll stick with just saying that power, as a scaler quantity
does not have direction and cannot be negative.


So what is E^ x H^?

According to Born and Wolf, it's "an abstraction that introduces a
certain degree of arbitrariness". On the other hand it's integral over
a volume is described as something from which "no unambiguous conclusion
can be drawn". So, is that what you're hangin' your hat on, there Cecil?

Or perhaps you would have preferred my response to be "it's whatever you
sez it is, massa mensa".

ac6xg