>From: R Penrose <rouse@maths.ox.ac.uk>
>Subject: Re: Adding quantum phenomena to computer?
>Date: Thu, 20 Nov 1997 14:21:18 +0000 (GMT)
[...]
>Dear Leevi Marttila
>
>Randomness would not be enough. Standard quantum operations, such as in a
>quantum computer, would not be enough. An appropriate device
>incorporating quantum coherence and taking advantage of objective state
>reducton (OR), which goes beyond present-day quantum might possibly do the
>trick - eventually. OK to quote me.
>
>Best Wishes
>
>Roger Penrose
>
>On 18 Nov 1997, Leevi Marttila wrote:
>
>> R Penrose <rouse@maths.ox.ac.uk> writes:
>>
>> > Dear Leevi Marttila
>> >
>> > No obstruction, as far as I am aware - "added to it physically", that is.
>> > But pure simulation by a computer would not be possible, according to my
>> > ideas.
>> >
>> > Roger Penrose
>> >
>> > On 13 Nov 1997, Leevi Marttila wrote:
>> >
>> > > Is there anything in human brain that couldn't either be simulated by
>> > > computer or added to it physically?
>>
>> Would it be enough to add true random source to computer?
>> Would it be enough to build computer in a such way that it had similar
>> quantum phenomena than human brains has according to your ideas?
>> Would quantum computer be enough?
>>
>> PS. Can I quote you?
-- LM lm+signature@sip.fi