Alt-BEAM Archive
Message #04149
To: beam@sgiblab.sgi.com
From: "Nigel Joyce" nigel.joyce@qr.com.au
Date: Wed, 2 Jun 1999 15:57:50 +1000
Subject: [alt-beam] Re: BEAM forcefield....
> >:What part from the computer are these powerful electromagnets from?
> >
> >The hard disk... the read/write head's position is often controlled
using
> >a D'Arsonval movement -- a coil that moves between two fixed magnets.
Such
> >a moving coil device can be seen in mechanical electrical meters -- the
> >degree of deflection is proportional to the current flow.
> >
> >SAFETY WARNING: These magnets are easily strong enough to pinch/injure
> >flesh between them.
> >
> >
> >Zoz
> >
>
> Yes, and keep them the hell away from your computer monitor!
> I dropped one too close to it and had a nice purple mark on the
> screen for a few hours.
>
I've seen worse, left next to a TV, the mark lasted a few weeks, drove
my flatemate up the wall, cause it was his TV.
Blue Skies
---Buzz---
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