Re: Will nobody think of the tax payers?
"If the fluid is moving and the phenomenon is stationary
*, then it's surely it is being propagated." [my emphasis]
How can something that even you describe as 'stationary'
* be regarded as propagating?
But if you're going to use that criteria then you'd also have to say that the surface of Venus is being propagated.
Hmm... no idea why the superscript tag also seems to be inserting an underline today.