On Feb 6, 4:55 pm, Jason Resch <jasonre...@gmail.com> wrote:
> Informational laws and physical laws are, in my mind, closely
> related.  Laws related to information seem to supercede physical law.
> For example,  the impossibility of encoding information in fewer
> symbols or trying to send more over a channel in a given time period,
> than allowed.

Those transcend physics inasmuch as they are mathematical .

> There is also a "conservation" of information.  It is
> apparently industrictable.

Is there? if there is , it is a phsycial law, and AFAIK it is hotly
debated.

> There is a minimum physical energy
> expenditure associate with irreversible computation.  E.g. Setting a
> memory register from 1 to 0.  Other "informational laws", prevent any
> compression algorithm from having any net decrease in size when
> considered over the set of all possible inputs.  You can also do
> really cool things with information, such as forward error correction:
> a file of size 1 mb can be encoded to 1.5 mb.  Then this encoded file
> can be split into 15 equally sized pieces.  The cool part is that any
> 10 of these pieces (corresponding to 1 mb of information) may be used
> to recover the entire original file.  Any less than 1 mb worth of
> pieces is insufficient.
>
> Jason

You "information laws" seem to have mixed origins.
>
> On Feb 5, 2012, at 3:46 PM, Russell Standish <li...@hpcoders.com.au>
> wrote:
>
>
>
>
>
>
>
> > On Fri, Feb 03, 2012 at 08:56:10PM +0100, Evgenii Rudnyi wrote:
>
> >> First, we have not to forget the Third Law that states that the
> >> change in entropy in any reaction, as well its derivatives, goes to
> >> zero as the temperatures goes to zero Kelvin.
>
> >> In this respect your question is actually nice, as now, I believe,
> >> we see that it is possible to have a case when the information
> >> capacity will be more than the number of physical states.
>
> >> Evgenii
>
> > How so?
>
> > --
>
> > ---
> > ---
> > ----------------------------------------------------------------------
> > Prof Russell Standish                  Phone 0425 253119 (mobile)
> > Principal, High Performance Coders
> > Visiting Professor of Mathematics      hpco...@hpcoders.com.au
> > University of New South Wales          http://www.hpcoders.com.au
> > ---
> > ---
> > ----------------------------------------------------------------------
>
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Everything List" group.
> > To post to this group, send email to everything-list@googlegroups.com.
> > To unsubscribe from this group, send email to 
> > everything-list+unsubscr...@googlegroups.com
> > .
> > For more options, visit this group 
> > athttp://groups.google.com/group/everything-list?hl=en
> > .

-- 
You received this message because you are subscribed to the Google Groups 
"Everything List" group.
To post to this group, send email to everything-list@googlegroups.com.
To unsubscribe from this group, send email to 
everything-list+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/everything-list?hl=en.

Reply via email to