On 20 Feb 2017, at 20:52, Brent Meeker wrote:
On 2/20/2017 7:33 AM, Telmo Menezes wrote:
On Sat, Feb 18, 2017 at 1:19 AM, John Clark <johnkcl...@gmail.com>
wrote:
On Wed, Feb 15, 2017 Telmo Menezes <te...@telmomenezes.com> wrote:
Dark Matter and Dark Energy remain complete mysteries.
As far as I can tell, what we have is a falsification of current
theories. They appear to be good enough approximations for many
things, but then they fail at predicting the expansion rate of the
universe right? Maybe it's dark matter, maybe it's something else,
They are 2 separate mysteries. Dark Matter is a mysterious
something that
makes up 28% of the universe and holds galaxies and clusters of
galaxies
together. Dark Energy is a even more mysterious something that
makes up 69%
of everything and causes the expansion of the entire universe to
accelerate.
And about 4% of the universe is made of the sort of normal matter
and energy
that until about 20 years ago was the only type we thought existed.
There is a straightforward extension of General Relativity and
Quantum
Mechanics that explains Dark Energy, however it gives a figure
that is
10^120 too large, it's been called the worse mismatch between
theory and
observation in the entire history of science. I think it's fair to
say we
really don't have a clue about Dark Energy, and Dark Matter is
almost as
confusing.
If science failed so far at explaining something, then it doesn't
matter?
Science has an explanation for consciousness that works beautifully,
consciousness is the way information feels when it is being
processed
intelligently.
I know that your position is that information processing is
nonsensical without matter. Many times you invited Bruno to compete
with Intel, etc. So what you are saying is that "consciousness is the
way matter feels when it participates in an intelligent computation".
This "explanation" begs the question already.
Then there's the issue of defining "processed intelligently". What
does that even mean? Where do you draw the line between intelligent
and non-intelligent processing? Let me guess: intelligent processing
is the kind that generates consciousness.
No, intelligent processing it that which leads to useful activity
toward a goal. That's why consciousness has to be consciousness OF
a world in which action is possible. It only exists in a context.
I am OK, with "model" in place of "world". But those are close.
For me, the interesting question is whether there can be
intelligence without consciousness,
When we do something intelligent (a priori) a billion times, we can do
it without consciousness (like walking), but is it still intelligent?
Here, I would say that it depends of what we mean by "intelligent".
or more accurately can there be intelligence which is conscious in a
different way.
different from what?
We can see from Big Blue, Watson, and deep neural nets that there
can be intelligence based different kinds of information
processing. I suspect this means there would be different kinds of
consciousness associated with them - but how could we know and what
would it mean? John McCarthy warned many years ago that we should
be careful not to create robots that had general intelligence, lest
we inadvertently create conscious beings to whom we would have
ethical obligations.
And he warn us that we could become the pet of the machine. In fact if
we continue to treat "corporation" as person, we will ultimately
become the slaves of the machine, and most plausibly, a slave that the
machine will stop to afford the price. We might disappear if this
happens before we digitalize ourself completely. We are on a bad slope
with respect to this, alas.
Bruno
Brent
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