>>>>> "Barry" == Barry Schwartz <email@example.com> writes:
Barry> Sorry, with all the talk about vacuum and boosters
Barry> I just have to clarify something. Vacuum, in this
Barry> case is the absence (or relative difference) = of
Barry> atmospheric pressure or 'air'. The air PRESSURE on
Barry> the other side of the diaphragm, opposite of the
Barry> lower pressure or 'vacuum' side is what actual= ly
Barry> does any work, not the vacuum 'sucking'.
Sure, now you're going to tell me it's the holes that do the
work, not the electrons.
(Who still believes that torch batterys run out because
they've absorbed too much dark)