Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong magnet),
and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll

Proctologically Violated©® wrote:
Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong magnet),
and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll

Those hard drive magnets are very useful. I used four of them to attach
my static phase convertor to my power hacksaw. The convertor probably
weighs 25 lbs, but four magnets hold it quite adequately. It avoided the
nightmare of trying to drill and tap holes in the machine.

Chris

Did you hear about the boy who died as a result of those type of magnets?

Seems they make toys that use the rare earth mags for attaching body parts
to one another, the child swallowed one that had fallen out. Several hours
later he found and swollwed another one. THe first one was on its way to
safely pass through the childs system but when the other one was swallowed
they did what they do best and the result was extreme pain after a day or so
and then I beleive he died after. The docs said that the mags connected thus
casuing his colon to become attached to his stomach, closing off his entire
system.

I use the hard drive mags around the shop all the time, two to hold my drill
press vise to the base when not in use.

Searcher

On Mon, 24 Apr 2006 00:17:56 GMT, "Shopdog" wrote:

Did you hear about the boy who died as a result of those type of magnets?

Seems they make toys that use the rare earth mags for attaching body parts
to one another, the child swallowed one that had fallen out. Several hours
later he found and swollwed another one. THe first one was on its way to
safely pass through the childs system but when the other one was swallowed
they did what they do best and the result was extreme pain after a day or so
and then I beleive he died after. The docs said that the mags connected thus
casuing his colon to become attached to his stomach, closing off his entire
system.

I use the hard drive mags around the shop all the time, two to hold my drill
press vise to the base when not in use.

Searcher

When the cheap plastic ring holding casters to the bottom of my shop
vac. disintegrated, I made a wood base with a pair of these attached.
Works like a charm.
Gerry :-)}
London, Canada

One of my college profs had a set up using multiple LARGE permenant
magnets to generate a strong field for an experiment. The kind that you
need to remove your wrist watch to work on. The protective cover for the
unit was a piece of birch plywood grown in the Minnesota iron range
area. It had a gentle but firm attachment to the rig.

Christopher Tidy wrote:

Proctologically Violated©® wrote:

Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong
magnet), and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll


Those hard drive magnets are very useful. I used four of them to attach
my static phase convertor to my power hacksaw. The convertor probably
weighs 25 lbs, but four magnets hold it quite adequately. It avoided the
nightmare of trying to drill and tap holes in the machine.

Chris

On a whim, I tried to cut a sample tile of Granite with an old plasma source.
Thought - nothing lost - this is just about junk. The plasma dug deep - almost
1/4" and started to move down the drawn line when it stopped. The melted granite
was a spear of glass.

Martin

Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member


Proctologically Violated©® wrote:
Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong magnet),
and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll



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It would be interesting to know what granite was used for the base of
your height gauge. The black granite I have about shows no magnetic
attraction at all when NiFeBn magnet is placed on it. As granite is
predominantly SiO2 it would be interesting to know why the magnetic
attraction .

Proctologically Violated©® wrote:

Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong magnet),
and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll

David Billington wrote:
It would be interesting to know what granite was used for the base of
your height gauge. The black granite I have about shows no magnetic
attraction at all when NiFeBn magnet is placed on it. As granite is
predominantly SiO2 it would be interesting to know why the magnetic
attraction.

Given the strength of these magnets I could believe it was just being
attracted to a steel fitting in the centre of the height gauge base. Is
this possible, or was it definitely being attracted to the granite?

Chris

Christopher Tidy wrote:

David Billington wrote:

It would be interesting to know what granite was used for the base of
your height gauge. The black granite I have about shows no magnetic
attraction at all when NiFeBn magnet is placed on it. As granite is
predominantly SiO2 it would be interesting to know why the magnetic
attraction.


Given the strength of these magnets I could believe it was just being
attracted to a steel fitting in the centre of the height gauge base. Is
this possible, or was it definitely being attracted to the granite?

Chris

Around here (east Clackamas County, Oregon) you can wander around with a
magnet and pick up gravel.

Iron's a pretty common element, which has a lot to do with why steel is
so cheap.

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

Posting from Google? See http://cfaj.freeshell.org/google/

Stones, incl. gemstones, are perty pedestrian, chemically speaking.
I remember seeing the formulas for various gemstones in Erf Science, and
feeling quite deflated, a little cheated, by the mundanity of them all.
SiO2, Al2O3, peppered w/ various metal ions, such as potassium, sodium,
beryllium, boron, etc. And, apparently, iron.
Ultimately super-expensive glass and grinding wheels, w/ impurities!!!

And in the case of diamond, just goddamm Carbon!! And thermodynamically
*unstable* C, at that!!
Altho, the various colored diamonds must have another metal stuck somewhere
in the crystal lattice, which probably reduces the hardness somewhat.

Compared w/ organic molecules, such as chlorophyll, the porphyrin ring in
hemoglobin, vit B12, and other structures, stones are perty plain.

Nickel is weakly magnetic, as well. Also liquid oxygen, and a cupla other
things. Someone mentioned Bn? What's dat??

As far as metal in the granite base, I don't believe there is any, as I
cain't see any and the magnet sticks uniformly over the whole surface.
Metal would likely produce local attractions.

You can detect the magnetic properties w/ a good telescoping pickup wand,
but not as nice as with one of those hard drive mags. Need a high mag
strength/weight ratio to really see the effect.

Could be that magnetic granite is crappy granite. Chinese base,
donchaknow...

But at any rate, it will be an interesting past-time to see what rocks are
magnetic around here!
--
Mr. P.V.'d
formerly Droll Troll
"David Billington" wrote in message
...
It would be interesting to know what granite was used for the base of your
height gauge. The black granite I have about shows no magnetic attraction
at all when NiFeBn magnet is placed on it. As granite is predominantly
SiO2 it would be interesting to know why the magnetic attraction .

Proctologically Violated©® wrote:

Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong
magnet), and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll

Remember the color of SiO2 - clear to white. The 'black' ones might have olivine
and iron within. The pink ones - pink is something else. Complex chemistry
made by a volcano.

Martin
Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member


David Billington wrote:
It would be interesting to know what granite was used for the base of
your height gauge. The black granite I have about shows no magnetic
attraction at all when NiFeBn magnet is placed on it. As granite is
predominantly SiO2 it would be interesting to know why the magnetic
attraction .

Proctologically Violated©® wrote:

Awl--

Wouldna bleeved had I not seed it.

Friend brought over a magnet from a hard drive (really nice strong
magnet), and BAM, stuck right to the granite base of my height gauge!
Well, actually, it's just the granite base, cuz there is no height
gauge--supplier's scrap heap, donchaknow....
And stuck perty good! wow....

Thus, boyzngerlz, thar must be iron in them thar granite hills!!
--
Mr. P.V.'d
formerly Droll Troll



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