Alt-BEAM Archive
Message #04167
To: beam@sgiblab.sgi.com
From: Richard Piotter richfile@rconnect.com
Date: Wed, 02 Jun 1999 12:26:10 -0500
Subject: [alt-beam] Re: BEAM forcefield....
You guys are lucky! When my brother was 5, he took a speaker and held it
ON the glas of out old Zenith... It NEVER went away. It kinda lessened,
but it got to a point where the mask inside the CRT had been permanently
magnetized!!! OUCH! Be careful!
Nigel Joyce wrote:
>
> > >: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---
--
Richard Piotter
richfile@rconnect.com
The Richfiles Robotics & TI web page:
http://richfiles.calc.org
For the BEAM Robotics list:
BEAM Robotics Tek FAQ
http://people.ne.mediaone.net/bushbo/beam/FAQ.html
------------------------------------------------------------------------
eGroups.com home: http://www.egroups.com/group/alt-beam
http://www.egroups.com
- Simplifying group communications
Home