Trojan Zombie

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That depends on the dust.

Consider that a large percentage of dust comes from iron bearing
asteroids (meteoroids).
Click to expand...

Cite?

The sources I've seen all seem to agree that common household dust is
mostly comprised of dead skin cells, dust mites and their dried feces,
and bits of fiber from fabrics. No mention of iron bearing asteroids.
 
Char Jackson said:
Cite?
Click to expand...

"The daily influx of meteorites and meteor dust is well known to
scientists, but the total volume of mass daily added to Earth's surface
is difficult to estimate and is not well documented. Estimates of total
volume published by NASA vary widely (or wildly?) just for dust alone,
ranging from as little as 1,000 tons/day (300,000 metric tons/yr, Dubin
and McCracken, 1962) to 55,000 tons/day (20,000,000 tons/yr, Fiocco and
Colombo, 1964). However, a more recent estimate puts the accreting dust
volume at approximately 78,000 tons/yr, or 214 tons/day."

http://www.expanding-earth.org/page_10.htm
The sources I've seen all seem to agree that common household dust is
mostly comprised of dead skin cells, dust mites and their dried feces,
and bits of fiber from fabrics. No mention of iron bearing asteroids.
Click to expand...

Funny they would overlook that - anyway, I *did* say it depends on the
dust.
 
David Kaye said:
Now you're bullshitting.


Most household dust is discarded human skin cells.
Click to expand...

So, it is "most household dust" now, and not just "dust"?

Okay, we agree "magnetism does not attract most household dust".

Industrial environments would be another matter. Satellite equipment
engineers might not need to worry too much about skin cells
accumulating.
 
(e-mail address removed) (David Kaye) wrote in
As if a couple puffs of breath into an already hot vent hole is going
to wreck anything. Whatever moisture is in the breath will evaporate
quickly.
Click to expand...

*shrug*. Hey, at the end of the day; your not fixing my stuff, so I don't
really care what damage you cause. :)
You folks simply don't like what I said because it's not politically
correct. It's a simple, handy fix, inelegant as all get-out, but still
a simply, handy fix.
Click to expand...

I am *hardly* one for political correctness in any fashion. Your simple
handy fix tho.. I don't agree with; but again, it's not my shit your
screwing up; so it doesn't matter.
 
(e-mail address removed) (David Kaye) wrote in
Nice try but magnetism does not attract dust. If that were the case,
every power cord would be covered with dust
Click to expand...

Umm.. Actually, I said a magnetic field; not necessarily mangnetism in
any real sense of the word; You haven't been around many circuit boards
I'm guessing...
Another stupid statement. I said nothing about "oiling" anything. I
said a short "spritz" onto a feather duster, enough to cause the dust
to stick to it as I make a quick sweep of the case, the back vent of
the power supply, the area under the HD bay, etc.
Click to expand...

Where do you think that "spritz" goes dude? It's oil. Whether you realize
it or not, it covers everything in it's path.
Okay, another option for those of you who are thoroughly disgusted by
my suggestions, let me substitute something else for the feather
duster: a microfibre towel. They sell these at Walgreen's for about
$1 apieace. You don't need to put ANYTHING on the cloth because the
dust will cling to the cloth. Then just shake out the cloth. OKAY,
SATISIFED?
Click to expand...

Do you know why the dust clings? :) Wiseass. See above, where you said
"magnetism" doesn't attract dust. A magnetic field (not necessarily,
magnetic mind you) does; that item you mentioned uses static electricity
to bring the dust to it and make it stick. I wouldn't suggest you wipe
down ram sticks with it. No, actually; I suggest you should. It would fit
right in with your repairs.
 
From: "Dustin Cook" <[email protected]>



| Not to mention a good source of static generation; as oil will let
| the dust particles attach to everything powered up.. :( Electronics
| tend to generate a nice magnetic field that brings the dust to them.
| Oiling them is only going to ensure the dust sticks and builds up a
| nasty film; trapping even more heat and killing the electronics even
| sooner.


You said...
"Electronics tend to generate a nice magnetic field that brings the
dust to them..."

No. It is...
"Electronics tend to generate a nice electrostatic field that brings
the dust to them..."
Click to expand...

My bad.. miswording...
 
FromTheRafters said:
So, it is "most household dust" now, and not just "dust"?
Click to expand...

No, it's even more than that. The vast majority of household dust (excluding
homes next to freeways, etc) is made up of human skin cells. The next major
component is vermin pieces -- insect parts and feces, then pet dander.

Living in the SF Bay Area we're inundated with medical researech for UC
Berkeley, Stanford, and UCSF Medical school. From time to time various
projects have asked for household dust in order to make various antigens.
Antigens, for the most part, come from human parts such as skin cells. From
time to time we might hear an ad on the radio advertising for household dust
for a study. It's because of the plethora of skin cells present.
 
Dustin Cook said:
I am *hardly* one for political correctness in any fashion. Your simple
handy fix tho.. I don't agree with; but again, it's not my shit your
screwing up; so it doesn't matter.
Click to expand...

Not only have I not screwed anything up, I seldom get repeat customers because
my fixes work so well. I do, however, get referrals from my customers, and I
don't even have to offer commissions or bonuses to get them. It's been a good
9 years so far...
 
David Kaye said:
No, it's even more than that. The vast majority of household dust
(excluding
homes next to freeways, etc) is made up of human skin cells. The next
major
component is vermin pieces -- insect parts and feces, then pet dander.
Click to expand...

Well now according to a UK TV programme that is just a myth.
Most components are reckoned to be what common sense would suggest.
Plain old dirt; bits of fabric fibres; animal hairs etc with human skin
cells being a very minor fraction.
Guess we'll never know for sure and each will continue to believe as they
wish!
Must say that what I see in my computers doesn't look much like skin cells.

Henry
 
David Kaye said:
No, it's even more than that. The vast majority of household dust
(excluding
homes next to freeways, etc) is made up of human skin cells. The next
major
component is vermin pieces -- insect parts and feces, then pet dander.
Click to expand...

I can't argue about what most dust consists of, but I can say that some
dust is magnetic in nature.
Living in the SF Bay Area we're inundated with medical researech for
UC
Berkeley, Stanford, and UCSF Medical school. From time to time
various
projects have asked for household dust in order to make various
antigens.
Antigens, for the most part, come from human parts such as skin cells.
From
time to time we might hear an ad on the radio advertising for
household dust
for a study. It's because of the plethora of skin cells present.
Click to expand...

....it seems that learning institutes have a habit of studying things.
:o)

http://adsabs.harvard.edu/full/1967SCoA...11..361G
 
Dragon said:
Guess we'll never know for sure and each will continue to believe as they
wish!
Must say that what I see in my computers doesn't look much like skin cells.
Click to expand...

It's easy enough to check, and as I said, there have been occasional calls for
household dust for the making of antigens in medicine. Skin cells as dust are
whitish grey and a bit oily to the touch.
 
sfdavidkaye2 said:
It's easy enough to check, and as I said, there have been occasional calls for
household dust for the making of antigens in medicine. Skin cells as dust are
whitish grey and a bit oily to the touch.
Click to expand...

Most of the dust we find in computers appears to be from construction
being done in the areas, dirt from the bottom of shoes that gets stirred
up as people walk across a floor and then pet/people hair.

Placing the computer above 20" seems to eliminate 90% of the dust
problem caused by floor traffic.
 
(e-mail address removed) (David Kaye) wrote in
Not only have I not screwed anything up, I seldom get repeat customers
because my fixes work so well. I do, however, get referrals from my
customers, and I don't even have to offer commissions or bonuses to
get them. It's been a good 9 years so far...
Click to expand...

ahhh....well, good then; glad the recession hasn't put you under or
anything.
 
Most of the dust we find in computers appears to be from construction
being done in the areas, dirt from the bottom of shoes that gets
stirred up as people walk across a floor and then pet/people hair.
Click to expand...

And the cig smokers? That... cruddy stuff in the fins. :)
 
Dustin Cook said:
ahhh....well, good then; glad the recession hasn't put you under or
anything.
Click to expand...

Nope, the recession hasn't hit me at all. In fact, a few months ago I raised
my prices. I have found that my business has shifted from 95% malware removal
to about 40% today. The rest is hardware, networking, setup, etc. I chalk
that up to Windows being more stable.

Yesterday's agenda was a misconfigured router that couldn't connect to the
Internet, networking a printer, malware removal, and a firewall problem
prevening file sharing.
 
(e-mail address removed) (David Kaye) wrote in
Nope, the recession hasn't hit me at all. In fact, a few months ago I
raised my prices. I have found that my business has shifted from 95%
malware removal to about 40% today. The rest is hardware, networking,
setup, etc. I chalk that up to Windows being more stable.
Click to expand...

Hmm... I don't know if it's more stable, or slightly? smarter users. :)
 
Dustin Cook said:
Hmm... I don't know if it's more stable, or slightly? smarter users. :)
Click to expand...

Smarter but sometimes too smart for their own good. People do tend to latch
onto the scare of the day. Lately it's cookies. They don't wan'em so I turn
them off, then they phone and tell me that EBay doesn't remember them
anymore...

Oh, and registry "cleaners". Many of my customers have these. I remove all
of them except CCleaner (which is the only one that doesn't scare the bejeebus
out of me). I tell them that they don't need registry cleaners or any other
"tools". I tell them to phone me first before installing some kind of
"helper".
 
And the cig smokers? That... cruddy stuff in the fins. :)
Click to expand...

We have a few manufacturing facilities that we support, some of those
make parts by cutting metal - the oil in the air plays heck with the
air-flow - it grabs the dust and just creates layers that can't be
removed by blowing it, you have to turn things off and use a safe
solvent to remove it...
 
From: "David Kaye" <[email protected]>

| Nope, the recession hasn't hit me at all. In fact, a few months ago I raised
| my prices. I have found that my business has shifted from 95% malware removal
| to about 40% today. The rest is hardware, networking, setup, etc. I chalk
| that up to Windows being more stable.

| Yesterday's agenda was a misconfigured router that couldn't connect to the
| Internet, networking a printer, malware removal, and a firewall problem
| prevening file sharing.


As I was in my lab cleaning dust from sveral notebooks, I mentioned this thread to my
peers that were present.

We all had a hearty laugh about the use of compressed air bending fins/blades and about
using Furniture Polish on a duster.
 
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