[sdiy] MRI time dilation?

[Theo]

Yes, but as you say the windings can be aluminum or copper.
I can't explain this in English, but there can be currents induced inside a
metal object.
This does not have to be a ring (winding)
These currents result in a magnetic field, probably not a strong one
but the magnet in the MRI is strong enough to get a grip anyway.

Theo


From: Rob <cyborgzero at home.com>

> from what I remember messing with the stuff as a kid, no.. copper and
> aluminum just do not conduct magnetic flux very well. The windings
> themselves can be copper or aluminum, but the flux that is induced should
> have a xfer material be ferrous to get good flux xfer ratio. There is
> actually charts that show the flux acceptance/reluctance for various
> materials.
>
>
> Rob
>
> ----- Original Message -----
> From: "Theo" <t.hogers at home.nl>
> To: "Rob" <cyborgzero at home.com>; "Synth-DIY list"
> <synth-diy at node12b53.a2000.nl>
> Cc: "ahot" <ahot at retrosynth.com>
> Sent: Sunday, February 18, 2001 10:35 PM
> Subject: Re: [sdiy] MRI time dilation?
>
>
> > Aah so you can't make a electromagnet or transformer out of aluminum or
> > copper wire?
> >
> > Theo
> >
> > >
> > > Okay, note: the block that is dropped is aluminum, not subject to
> magnetic
> > > effects.
> > >
> > >
> > > Rob
> >
> >
>