Correction:

Roy Lewallen wrote:
. . .
No. Power is not an "amount of work", nor is power density. Power is the
rate at which power is being transferred, so it can tell you only the
rate at which work can be done, not the amount. . .

I of course meant ". . .Power is the rate at which *energy* is being
transferred. . ."

Thanks, Owen!

Roy Lewallen, W7EL