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The Science of DATA Recovery

 
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dunric

External


Since: Oct 18, 2005
Posts: 2



(Msg. 1) Posted: Tue Oct 18, 2005 3:34 pm
Post subject: The Science of DATA Recovery
Archived from groups: comp>sys>ibm>pc>hardware>storage (more info?)

The Science of DATA Recovery
Hosted by "Mr. Stack"

Can we recover that which is lost? Can data which is written to disk be
relegated to the ashes of time? Scientists in
Burbank, California** believe they have the answer. Using advanced
forensic equipment, Doctors Joseph Mandale* and
Zacariah Zamprini* have conducted extensive experiments to find out.
When data is written to disk, it is recorded via
electromagnetic pulses from the drive head. These in turn conduct just
enough electricity to write the data.

"We believe we have an answer to the age old question,'Where does my
data go?'" says Mandale. "When data is erased, the
magnetic field that holds it in place is reversed, freeing the data
from the disk."

But is the data lost forever? Doctor Zamprini tested his theory using
state-of-the-art laser equipment from Cal Tech. With each
successive pulse, microbursts of electricity eradicated the data at the
subatomic level, thereby releasing it into the ethers of
time.

"The data is...released at the subatomic level," says Zamprini. "It's
like taking two sets of balls, spheres, and pulling them apart
like you would separate cotton from a gin."

What methods could someone use to recover such data? Is it economically
possible to recover it? And if so, how is it done?
Once again, Doctors Mandale and Zamprini believe they have the answer.

"When we recover data, we use reverse engineering to determine...at the
smallest level...what existed before," explains
Mandale. "We use computer models and statistics to deduce the atomic
structure of the magnetic field. Once we do that, we
can begin to reconstruct the bits of data that were once there."

Doctor Zamprini agrees.

"You really can't erase anything forever," he answers. "Vestiges of the
prior data will always remain. You just have to dig deep
enough to find it."

Not surprisingly, Doctors Mandale and Zambrini have many skeptics in
the scientific community. At CSICOP, the Committee
for the Scientific Investigation of Claims of the Paranormal,
skepticism abounds.

Walter Jacobs* is a retired magician and activist of a foundation in
Florida dedicated to debunking pseudoscience. Jacobs
insists that such recovery would be practically impossible without the
aide of the federal government.

"It's simply not true," insists Jacobs. "The notion that you can
recover data, at the subatomic level, is preposterous. Absolutely
nonsense."

But Doctors Mandale and Zamprini remain unfazed by criticism.

"They've never been in the labs...they've never seen the equipment.
They don't know what we can do," claims Zambrini. "It's
like walking into outer space without first being there. You can't get
a sense of the enormity of the universe without first
experiencing it."

What happens to computer data after it has been erased? Is it gone
forever, as some have claimed? Or, is it possible that
Doctors Mandale and Zamprini have found the answer? One thing is
certain, however: Humans have been preserving history
for centuries. Like cherished memories of a forgotten past, we will
continue to remember our lives even after we die."

[Cue music; fade to black]

* - not their real names.
** - not the real place.

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Arno Wagner

External


Since: Nov 07, 2003
Posts: 2175



(Msg. 2) Posted: Wed Oct 19, 2005 4:55 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Funny!

Arno

Previously dunric.TakeThisOut@yahoo.com wrote:
> The Science of DATA Recovery
> Hosted by "Mr. Stack"

> Can we recover that which is lost? Can data which is written to disk be
> relegated to the ashes of time? Scientists in
> Burbank, California** believe they have the answer. Using advanced
> forensic equipment, Doctors Joseph Mandale* and
> Zacariah Zamprini* have conducted extensive experiments to find out.
> When data is written to disk, it is recorded via
> electromagnetic pulses from the drive head. These in turn conduct just
> enough electricity to write the data.

> "We believe we have an answer to the age old question,'Where does my
> data go?'" says Mandale. "When data is erased, the
> magnetic field that holds it in place is reversed, freeing the data
> from the disk."

> But is the data lost forever? Doctor Zamprini tested his theory using
> state-of-the-art laser equipment from Cal Tech. With each
> successive pulse, microbursts of electricity eradicated the data at the
> subatomic level, thereby releasing it into the ethers of
> time.

> "The data is...released at the subatomic level," says Zamprini. "It's
> like taking two sets of balls, spheres, and pulling them apart
> like you would separate cotton from a gin."

> What methods could someone use to recover such data? Is it economically
> possible to recover it? And if so, how is it done?
> Once again, Doctors Mandale and Zamprini believe they have the answer.

> "When we recover data, we use reverse engineering to determine...at the
> smallest level...what existed before," explains
> Mandale. "We use computer models and statistics to deduce the atomic
> structure of the magnetic field. Once we do that, we
> can begin to reconstruct the bits of data that were once there."

> Doctor Zamprini agrees.

> "You really can't erase anything forever," he answers. "Vestiges of the
> prior data will always remain. You just have to dig deep
> enough to find it."

> Not surprisingly, Doctors Mandale and Zambrini have many skeptics in
> the scientific community. At CSICOP, the Committee
> for the Scientific Investigation of Claims of the Paranormal,
> skepticism abounds.

> Walter Jacobs* is a retired magician and activist of a foundation in
> Florida dedicated to debunking pseudoscience. Jacobs
> insists that such recovery would be practically impossible without the
> aide of the federal government.

> "It's simply not true," insists Jacobs. "The notion that you can
> recover data, at the subatomic level, is preposterous. Absolutely
> nonsense."

> But Doctors Mandale and Zamprini remain unfazed by criticism.

> "They've never been in the labs...they've never seen the equipment.
> They don't know what we can do," claims Zambrini. "It's
> like walking into outer space without first being there. You can't get
> a sense of the enormity of the universe without first
> experiencing it."

> What happens to computer data after it has been erased? Is it gone
> forever, as some have claimed? Or, is it possible that
> Doctors Mandale and Zamprini have found the answer? One thing is
> certain, however: Humans have been preserving history
> for centuries. Like cherished memories of a forgotten past, we will
> continue to remember our lives even after we die."

> [Cue music; fade to black]

> * - not their real names.
> ** - not the real place.

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timeOday

External


Since: Feb 04, 2005
Posts: 39



(Msg. 3) Posted: Wed Oct 19, 2005 11:02 pm
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

dunric.DeleteThis@yahoo.com wrote:
> "You really can't erase anything forever," he answers. "Vestiges of the
> prior data will always remain. You just have to dig deep
> enough to find it."

If that were literally true, hard drives would have infinite capacity -
just fill it up, "erase" it, and fill it up some more.
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dunric

External


Since: Oct 18, 2005
Posts: 2



(Msg. 4) Posted: Wed Oct 19, 2005 11:51 pm
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Technically, it is akin to scratching the surface of a penny and
finding out what it looks like underneath the first layers.

Paul

timeOday wrote:
> dunric.DeleteThis@yahoo.com wrote:
> > "You really can't erase anything forever," he answers. "Vestiges of the
> > prior data will always remain. You just have to dig deep
> > enough to find it."
>
> If that were literally true, hard drives would have infinite capacity -
> just fill it up, "erase" it, and fill it up some more.
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J. Clarke

External


Since: Feb 19, 2005
Posts: 784



(Msg. 5) Posted: Thu Oct 20, 2005 3:21 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

timeOday wrote:

> dunric.DeleteThis@yahoo.com wrote:
>> "You really can't erase anything forever," he answers. "Vestiges of the
>> prior data will always remain. You just have to dig deep
>> enough to find it."
>
> If that were literally true, hard drives would have infinite capacity -
> just fill it up, "erase" it, and fill it up some more.

Take a disk, melt it down, use the metal in an atomic bomb. Set off the
bomb. Let's see him recover _that_ data.

--
--John
to email, dial "usenet" and validate
(was jclarke at eye bee em dot net)
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bxf

External


Since: Jun 15, 2005
Posts: 94



(Msg. 6) Posted: Thu Oct 20, 2005 3:29 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

J. Clarke wrote:
> timeOday wrote:
>
> > dunric.TakeThisOut@yahoo.com wrote:
> >> "You really can't erase anything forever," he answers. "Vestiges of the
> >> prior data will always remain. You just have to dig deep
> >> enough to find it."
> >
> > If that were literally true, hard drives would have infinite capacity -
> > just fill it up, "erase" it, and fill it up some more.
>
> Take a disk, melt it down, use the metal in an atomic bomb. Set off the
> bomb. Let's see him recover _that_ data.

Actually, I'd be prepared to take this one on myself. If you present me
with the fragments of the original disk I will recover the data from
it.

By the way, notice the qualifications of Walter Jacobs to comment on
the subject: a retired magician and activist of a foundation in Florida
dedicated to debunking pseudoscience. LOL
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Arno Wagner

External


Since: Nov 07, 2003
Posts: 2175



(Msg. 7) Posted: Thu Oct 20, 2005 3:55 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Previously dunric.DeleteThis@yahoo.com wrote:
> Technically, it is akin to scratching the surface of a penny and
> finding out what it looks like underneath the first layers.

Only with HDDs there is no additional layer beneath the very thin
coating. Back to the penny: You actually sand off a layer to find older
scratches. They will be there if they were deep enough. Trouble is,
they are not.

But still, I clearly identified the OP as satirical. Need we
even discuss this ridiculous claim?

Arno
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bxf

External


Since: Jun 15, 2005
Posts: 94



(Msg. 8) Posted: Thu Oct 20, 2005 8:12 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

J. Clarke wrote:
> bxf wrote:

> >> Take a disk, melt it down, use the metal in an atomic bomb. Set off the
> >> bomb. Let's see him recover _that_ data.
> >
> > Actually, I'd be prepared to take this one on myself. If you present me
> > with the fragments of the original disk I will recover the data from
> > it.
>
> You might want to reread what I wrote a little more carefully.

Forgive me if I'm being thick here, but my "point:-)" was that if you
can provide the disk (or pieces thereof) after such an event, I can
recover the data. Am I losing you, or is it vice versa? I realise that
there really are no fragments after you melt it, but then it would be a
moot point to talk about recovering data from a non-existent entity.
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J. Clarke

External


Since: Feb 19, 2005
Posts: 784



(Msg. 9) Posted: Thu Oct 20, 2005 9:27 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

bxf wrote:

>
> J. Clarke wrote:
>> timeOday wrote:
>>
>> > dunric.DeleteThis@yahoo.com wrote:
>> >> "You really can't erase anything forever," he answers. "Vestiges of
>> >> the prior data will always remain. You just have to dig deep
>> >> enough to find it."
>> >
>> > If that were literally true, hard drives would have infinite capacity -
>> > just fill it up, "erase" it, and fill it up some more.
>>
>> Take a disk, melt it down, use the metal in an atomic bomb. Set off the
>> bomb. Let's see him recover _that_ data.
>
> Actually, I'd be prepared to take this one on myself. If you present me
> with the fragments of the original disk I will recover the data from
> it.

You might want to reread what I wrote a little more carefully.

> By the way, notice the qualifications of Walter Jacobs to comment on
> the subject: a retired magician and activist of a foundation in Florida
> dedicated to debunking pseudoscience. LOL

--
--John
to email, dial "usenet" and validate
(was jclarke at eye bee em dot net)
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bxf

External


Since: Jun 15, 2005
Posts: 94



(Msg. 10) Posted: Thu Oct 20, 2005 11:03 am
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

J. Clarke wrote:
> bxf wrote:
>
> >
> > J. Clarke wrote:
> >> bxf wrote:
> >
> >> >> Take a disk, melt it down, use the metal in an atomic bomb. Set off
> >> >> the
> >> >> bomb. Let's see him recover _that_ data.
> >> >
> >> > Actually, I'd be prepared to take this one on myself. If you present me
> >> > with the fragments of the original disk I will recover the data from
> >> > it.
> >>
> >> You might want to reread what I wrote a little more carefully.
> >
> > Forgive me if I'm being thick here, but my "point:-)" was that if you
> > can provide the disk (or pieces thereof) after such an event, I can
> > recover the data. Am I losing you, or is it vice versa? I realise that
> > there really are no fragments after you melt it, but then it would be a
> > moot point to talk about recovering data from a non-existent entity.
>
> The contention was "You really can't erase anything forever". If that is
> the case then it is recoverable from the event that I described, which was
> specifically intended to leave no fragments.

And to demonstrate how trivial such a feat would be, I said that if you
can present me with the fragments, I can recover the data.

> You might want to google "atomic bomb" by the way, if you think that the
> components being melted to be made into components is a greater obstacle
> than the effects of the explosion itself on components from which the bomb
> is made.

No, that is not what I think. I threw that in just in case there was
some intended significance to the melting part. I was a bit uncertain
about the reason for your suggestion that I reread your post.

I think this "discussion" has taken a serious twist. This was not my
intention.
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J. Clarke

External


Since: Feb 19, 2005
Posts: 784



(Msg. 11) Posted: Thu Oct 20, 2005 1:07 pm
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

bxf wrote:

>
> J. Clarke wrote:
>> bxf wrote:
>
>> >> Take a disk, melt it down, use the metal in an atomic bomb. Set off
>> >> the
>> >> bomb. Let's see him recover _that_ data.
>> >
>> > Actually, I'd be prepared to take this one on myself. If you present me
>> > with the fragments of the original disk I will recover the data from
>> > it.
>>
>> You might want to reread what I wrote a little more carefully.
>
> Forgive me if I'm being thick here, but my "point:-)" was that if you
> can provide the disk (or pieces thereof) after such an event, I can
> recover the data. Am I losing you, or is it vice versa? I realise that
> there really are no fragments after you melt it, but then it would be a
> moot point to talk about recovering data from a non-existent entity.

The contention was "You really can't erase anything forever". If that is
the case then it is recoverable from the event that I described, which was
specifically intended to leave no fragments.

You might want to google "atomic bomb" by the way, if you think that the
components being melted to be made into components is a greater obstacle
than the effects of the explosion itself on components from which the bomb
is made.

--
--John
to email, dial "usenet" and validate
(was jclarke at eye bee em dot net)
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Rod Speed

External


Since: Nov 09, 2003
Posts: 2385



(Msg. 12) Posted: Thu Oct 20, 2005 3:55 pm
Post subject: Re: The Science of DATA Recovery [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

dunric.RemoveThis@yahoo.com wrote

> Technically, it is akin to scratching the surface of a penny
> and finding out what it looks like underneath the first layers.

Nope, nothing like.

> timeOday wrote
>> dunric.RemoveThis@yahoo.com wrote

>>> "You really can't erase anything forever," he answers.
>>> "Vestiges of the prior data will always remain. You
>>> just have to dig deep enough to find it."

>> If that were literally true, hard drives would have infinite
>> capacity - just fill it up, "erase" it, and fill it up some more.
 >> Stay informed about: The Science of DATA Recovery 
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