On 28 December 2013 17:46, Stephen Paul King <stephe...@provensecure.com>wrote:

> Ah, but they do degrade. Consider your ability to access a '80s floppy
> drive's data.
>
> Well, that's because people haven't worked out how to do it perfectly. I
agree digital archaeology is a real problem, but so would analogue be
without the relevant machines to play it back (admittedly it's easier to
decode analogue from first principles). But that is a different form of
degrading. If you have a system capable of copying the data it should be
more or less 100% accurate.

>
> On Fri, Dec 27, 2013 at 11:44 PM, LizR <lizj...@gmail.com> wrote:
>
>> On 28 December 2013 17:41, Jason Resch <jasonre...@gmail.com> wrote:
>>
>>> On Fri, Dec 27, 2013 at 11:27 PM, Stephen Paul King <
>>> stephe...@provensecure.com> wrote:
>>>
>>>> Hi LizR and Jason,
>>>>
>>>>   Responding to both of you. I don't understand the claim of
>>>> determinism is "random noise" is necessary for the computations. Turing
>>>> machines require exact pre-specifiability. Adding noise oracles is 
>>>> cheating!
>>>>
>>>>
>>> I think you misunderstand.  Computers are deterministic, but they often
>>> need randomness to implement things such as cryptography or monte-carlo
>>> simulations, etc.  Due to this need for true unpredictability, our
>>> computers must harness environmental noise if they are to have any hope of
>>> being unpredictable.  This is because computers cannot generate
>>> unpredictability on their own.
>>>
>>> They are engineered not to! This is why digital recordings don't
>> degrade, etc.
>>
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>
> Stephen Paul King
>
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