Re: Why has no perpetual motion machine been invented?

From: Don Kelly (dhky_at_peeshaw.ca)
Date: 09/29/04 

Date: Wed, 29 Sep 2004 03:20:07 GMT

"ivan" <ivan'H'older@yahoo.co.uk> wrote in message
news:2ru6ilF1e48n8U1@uni-berlin.de...
>
> "Karl Johanson" <karljohanson@shaw.ca> wrote in message
> news:Dhl6d.134055$%S.15870@pd7tw2no...
> > "ivan" <ivan'H'older@yahoo.co.uk> wrote in message
> > news:2ru39oF1emnr5U1@uni-berlin.de...
> > >
> > > "Karl Johanson" <karljohanson@shaw.ca> wrote in message
> > > news:w4k6d.133963$%S.128006@pd7tw2no...
> > > > <stark_fist_of_removal@the-fastest.net> wrote in message
> > > > news:1096340102.641712.114230@h37g2000oda.googlegroups.com...
> > > > > why after so many years of so many people looking has no one come
> out
> > > > > with a perpetual motion machine? with all the other acheivements
of
> > > > > mankind! is there some sort of god or gods or entity out to stop
> it?
> > > > > how else could we possibly not accomplish it?
> > > >
> > > > The commies/government/oil companies/CIA/liberal media/Illuminati
have
> > > > conspired to keep the technology down. But I can sell you the plans
to
> > an
> > > as
> > > > yet not working, rough sketch of a conjectured concept for a device
> with
> > > > magnets and spinning ball bearings, springs and mouldy cheese, which
> > might
> > > > produce unlimited energy in a way that only a sceptic would want
> > explained
> > > > in any detail (ignore the power cord attached to it; that's just to
> get
> > > the
> > > > device started, honest). Or, you can read Don's post which covered
the
> > > issue
> > > > well.
> > > >
> > >
> > > I must confess that I find it all very tantalising that modern
permanent
> > > magnets can attract and repel with such enormous force, and yet can't
be
> > > incorporated into a motor that continues to revolve until the
magnetism
> > > wears out!
> >
> > For the same reason you can't use the force of gravity to run a
perpetual
> > motion machine. You can extract energy from an object by allowing it to
> move
> > lower in a gravity field, but it takes energy to lift something back up
> > against gravity. If you had a device which lifted things and lowered
them
> > again to extract the energy, which was 100% efficient, you'd break even.
> As
> > 100% efficiency isn't possible, you'd only lose. We use water moving
lower
> > into a gravity field for power in hydro dams. The reason it's a net
source
> > of power for us is that the sun provides the energy to evaporate it
(that
> > energy comes from fusion), so it can float upwards, then rain down into
a
> > reservoir again. Some power plants do pump water up into hydro power
> > reservoirs, as a way of storing some power for peak usage times, but
> again,
> > it's less than 100% efficient & even 100% efficient would only be break
> > even.
> >
>
> Come come Karl, don't be so pessimistic! 'it's all so simple', the magnets
> repel one another and drive a flywheel, there's enough energy in the
> flywheel to spin the magnets at the end of their stroke so that they then
> attract one another, and at the end of that stroke the flywheel spins the
> magnets... you get the general idea :o)
-------------
Been tried in many different forms- result is uniformly failure although
some of the inventors have done well on the backs of the gullible. Consider
your device- at the end of a revolution the magnetic field and its energy is
exactly the same as it was at the start- no net energy from the magnet.
Karl's gravity analogy is great. If there was energy taken from the magnet,
it would reduce the magnetic stored energy and- sooner, rather than later,
because the initial energy stored in the magnet during its manufacture is
really relatively small- the magnets would turn into expensive scrap metal.
 Now there is a problem of where the energy to keep going is coming from. If
not from the magnets- then where- microphones tapping the music of the
spheres are as plausible as most of the "explanations" given? 

-- 
Don Kelly
dhky@peeshaw.ca
remove the urine to answer

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