Re: Hardware compression capabilities
- From: Einstein <michaelhh@xxxxxxxxx>
- Date: Wed, 14 Nov 2007 00:37:10 -0000
On Nov 13, 3:40 pm, Industrial One <industrial_...@xxxxxxxxxxx> wrote:
On Nov 12, 8:18 am, Einstein <michae...@xxxxxxxxx> wrote:
Ah now this is a better reply. In fact you are correct from what I
read while researching other information about file sizes... (trust me
I tried a lot of different search terms :P)... It seems that the
encoding on the main generation (there is a new one coming out) is 1
directional, either left or right you might say. When from what I have
seen it should also be possible to store is as forward/back (however
up/down is a no with them, not enough depth and another obstacle which
recent new hard drives fix, but requires a buffer under the magnets).
What I meant was, a 0 or 1 bit on the FIRST LAYER of magnetic residue
can be distinguished from the SECOND LAYER. Like, a 0 overwritten with
a 1 yields 0.95 and a 1 written to a 1 results in 1.05. Both are
rounded up as 1s on the "first layer" but with specialized circuitry
the sequence can be identified in the "second layer" which is 01.
Again, storing data like this would be an unstable, impractical and
problematic method.(Although it could be useful for a media designed
for WAV files where some minimal loss can be tolerated to double/
triple storage capacity.
I am unsure if this can also translate to other media, but would be
interesting if CD's had a null setting... think of the data we could
write to a 1 time use cd! The volumes... if there is a null setting we
could pretty much add 50% to every cd then (so long as not written to
already, and so long as you were willing to lose unused space). I
guess the best analogy I can use is the old record players. If you
could know the tracks are there, and where they were with utter
reliability, you could have areas not etched at all giving additional
options in the media recorded.
Wouldn't a "null setting" be a 0 bit? Null, demagnetized?
There is the issue again of longevity. What sort of issues result from
recording a magnetic structure with "chaos" and with directions we
dont normally use them for? Currently (damn cant find the pages I
found earlier, I think they quoted 7000 read/writes per each 'contact/
point') there are limits to how many times a section/contact/point can
be read/written from/to... Will this significantly change that?
Yes.
Oh good questions, and dangit I should have explained one type of item
more thoroughly... that is Superparamagnetism.
Superparamagnetism is a phenomenon by which magnetic materials may
exhibit a behavior similar to paramagnetism even when at temperatures
below the Curie or the Néel temperature. This is a small length-scale
phenomenon, where the energy required to change the direction of the
magnetic moment of a particle is comparable to the ambient thermal
energy. At this point, the rate at which the particles will randomly
reverse direction becomes significant.
Normally, coupling forces in ferromagnetic materials cause the
magnetic moments of neighboring atoms to align, resulting in very
large internal magnetic fields. This is what distinguishes
ferromagnetic materials from paramagnetic materials. At temperatures
above the Curie temperature (or the Neel temperature for
antiferromagnetic materials), the thermal energy is sufficient to
overcome the coupling forces, causing the atomic magnetic moments to
fluctuate randomly. Because there is no longer any magnetic order, the
internal magnetic field no longer exists and the material exhibits
paramagnetic behavior. If the material is non-homogeneous, one can
observe a mixture of ferromagnetic and paramagnetic clusters of atoms
at the same temperature, i.e. superparamagnetic stage.
This should silence a couple of objections to this working. This is
clearly within the realm of possibilities for us to create. The "null
setting" is an actual stage where the magnetic field is utterly
disrupted at the minute local level. More information can be found at
http://en.wikipedia.org/wiki/Superparamagnetism if desired.
.
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