Do you believe evolution?

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Re: Do you believe evolution?

 
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  #81
Mar 14th, 2009
>> The big bang wasn't a gas ball. - Rashakil Fol

According to this I think it was

The Big Bang is the cosmological model of the initial conditions and subsequent development of the universe supported by the most comprehensive and accurate explanations from current scientific evidence and observation.[1][2] As used by cosmologists, the term Big Bang generally refers to the idea that the universe has expanded from a primordial hot and dense initial condition at some finite time in the past, and continues to expand to this day.
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Re: Do you believe evolution?

 
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  #82
Mar 14th, 2009
Evolution according to Fat boy slim
Ignorance is definitely not bliss!

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Re: Do you believe evolution?

 
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  #83
Mar 15th, 2009
Originally Posted by Ancient Dragon View Post
>> The big bang wasn't a gas ball. - Rashakil Fol

According to this I think it was
The Big Bang is the cosmological model of the initial conditions and subsequent development of the universe supported by the most comprehensive and accurate explanations from current scientific evidence and observation.[1][2] As used by cosmologists, the term Big Bang generally refers to the idea that the universe has expanded from a primordial hot and dense initial condition at some finite time in the past, and continues to expand to this day.
Well, we do not actually have a definition of the infinite density and temperature during the Planck epoch (the time from zero to approximately 10^−43 seconds) but it eventually formed a quark/gluon plasma and a mysterious process, baryogenesis, violated the conservation of baryon # leading to a predominance of matter (vs. anti-matter). This happened at about the 10^-6th seconds and here is where the huge ball of gas is formed
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Re: Do you believe evolution?

 
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  #84
Mar 15th, 2009
Originally Posted by nav33n View Post
Evolution according to Fat boy slim
Thank you! I had not heard/seen that before.
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Re: Do you believe evolution?

 
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  #85
Mar 16th, 2009
Yes to evolution as a general principle to which there are a myriad quantity of relevant traits and details.

I do have an issue with those who feel that evolution goes counter to christian beliefs or disproves the existence of God; such individuals logic is non-existent/faulty. An omnipotent being can manipulate the universe and adjust the laws and principles (of physics, of mathematics or even of existence itself) of that universe ... or to paraphrase "through God all things are possible"

Anywhoooooo genetic and evolutionary algorithms in compsci are still far from mature as a field of study so we need more evolution of evolutionary algorithms [greater understanding ]

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Last edited by xkey; Mar 16th, 2009 at 1:06 am.
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Re: Do you believe evolution?

 
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  #86
Mar 16th, 2009
I ran across this essay over on a paleoAnthro blog and this looks like a good time to insert it into the conversation:
We tend to think of genetic drift as a random process. Random processes operating repeatedly over time are called “stochastic,” and changes in gene frequency under genetic drift are certainly that.

Since entropy is a measure of uncertainty, it might seem natural to think that stochastic changes in gene frequency would increase the entropy in a population. After all, the gene frequency in a population under genetic drift will be more and more uncertain over time. So, considering the frequency of a single allele as the system, genetic drift appears to increase entropy over time.

But even this simple system isn’t quite so simple as it might appear. Sure if you start out knowing the allele frequency, then genetic drift will increase your uncertainty over time. You will become less and less able to say that it lies in any given interval. But what if you don’t start out knowing? What if all you know is that the locus has been subjected to t generations of genetic drift?

As t increases, the probability of fixation of the locus also increases. The net effect is to reduce the entropy in the system – going from uncertainty about the allele frequency to more and more certainty that it will be either one or zero. The only thing that will stop this process is some other evolutionary force – mutation, migration from other populations, balancing selection. Each of these will have its own distinctive effects on the entropy of the single-locus system.
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Re: Do you believe evolution?

 
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  #87
Mar 16th, 2009
Originally Posted by xkey View Post
such individuals logic is non-existent/faulty. An omnipotent being can manipulate the universe and adjust the laws and principles (of physics, of mathematics or even of existence itself) of that universe ... or to paraphrase "through God all things are possible"
Ah, well at least there isn't anything wrong with this logic.
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Re: Do you believe evolution?

 
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  #88
Mar 19th, 2009
I take a more hands down approach to such a question. The acquisition of knowledge is man-kinds greatest asset and biggest liability. We strive to know as much as we can and it just hurts us. With limited time on this earth, I don't understand why we spend so much of it trying to find the answer to the one question no one has been able to answer in our entire existence. I don't get why we worry ourselves with such concepts; they have only caused us trouble.
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Re: Do you believe evolution?

 
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  #89
Mar 19th, 2009
Perhaps the next generation of supercomputers can find the answer to why life exists and how it exists. That would be interesting. Surley supercomputers by year 2030 will be able to find all the answers. After all, we expect to see robots walking the streets by 2050. Maybe in the future years to come, robots would have such greater cpu that they would replace scientists and will answer all these questions.
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Re: Do you believe evolution?

 
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  #90
Mar 19th, 2009
Some people tend to think that mankind is the ultimate purpose in the evolutionary process, and yet we are in a sort of death-spiral that may lead to our extinction.
The universe will not miss us and evolution will continue without us; selection for intelligence might be an evolutionary dead end.
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