Showing posts with label chaos theory. Show all posts
Showing posts with label chaos theory. Show all posts

Tuesday, February 17, 2009

Darwin's Theory of Evolution


Darwin's Theory of Evolution - The Premise

Darwin's Theory of Evolution is the widely held notion that all life is related and has descended from a common ancestor: the birds and the bananas, the fishes and the flowers -- all related. Darwin's general theory presumes the development of life from non-life and stresses a purely naturalistic (undirected) "descent with modification". That is, complex creatures evolve from more simplistic ancestors naturally over time. In a nutshell, as random genetic mutations occur within an organism's genetic code, the beneficial mutations are preserved because they aid survival -- a process known as "natural selection." These beneficial mutations are passed on to the next generation. Over time, beneficial mutations accumulate and the result is an entirely different organism (not just a variation of the original, but an entirely different creature).

Darwin's Theory of Evolution - Natural Selection

While Darwin's Theory of Evolution is a relatively young archetype, the evolutionary worldview itself is as old as antiquity. Ancient Greek philosophers such as Anaximander postulated the development of life from non-life and the evolutionary descent of man from animal. Charles Darwin simply brought something new to the old philosophy -- a plausible mechanism called "natural selection." Natural selection acts to preserve and accumulate minor advantageous genetic mutations. Suppose a member of a species developed a functional advantage (it grew wings and learned to fly). Its offspring would inherit that advantage and pass it on to their offspring. The inferior (disadvantaged) members of the same species would gradually die out, leaving only the superior (advantaged) members of the species. Natural selection is the preservation of a functional advantage that enables a species to compete better in the wild. Natural selection is the naturalistic equivalent to domestic breeding. Over the centuries, human breeders have produced dramatic changes in domestic animal populations by selecting individuals to breed. Breeders eliminate undesirable traits gradually over time. Similarly, natural selection eliminates inferior species gradually over time.

Darwin's Theory of Evolution - Slowly But Surely..

Darwin's Theory of Evolution is a slow gradual process. Darwin wrote, "…Natural selection acts only by taking advantage of slight successive variations; she can never take a great and sudden leap, but must advance by short and sure, though slow steps." [1] Thus, Darwin conceded that, "If it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down." [2] Such a complex organ would be known as an "irreducibly complex system". An irreducibly complex system is one composed of multiple parts, all of which are necessary for the system to function. If even one part is missing, the entire system will fail to function. Every individual part is integral. [3] Thus, such a system could not have evolved slowly, piece by piece. The common mousetrap is an everyday non-biological example of irreducible complexity. It is composed of five basic parts: a catch (to hold the bait), a powerful spring, a thin rod called "the hammer," a holding bar to secure the hammer in place, and a platform to mount the trap. If any one of these parts is missing, the mechanism will not work. Each individual part is integral. The mousetrap is irreducibly complex. [4]

Darwin's Theory of Evolution - A Theory In Crisis

Darwin's Theory of Evolution is a theory in crisis in light of the tremendous advances we've made in molecular biology, biochemistry and genetics over the past fifty years. We now know that there are in fact tens of thousands of irreducibly complex systems on the cellular level. Specified complexity pervades the microscopic biological world. Molecular biologist Michael Denton wrote, "Although the tiniest bacterial cells are incredibly small, weighing less than 10-12 grams, each is in effect a veritable micro-miniaturized factory containing thousands of exquisitely designed pieces of intricate molecular machinery, made up altogether of one hundred thousand million atoms, far more complicated than any machinery built by man and absolutely without parallel in the non-living world." [5] And we don't need a microscope to observe irreducible complexity. The eye, the ear and the heart are all examples of irreducible complexity, though they were not recognized as such in Darwin's day. Nevertheless, Darwin confessed, "To suppose that the eye with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest degree." [6]

Footnotes

  1. Charles Darwin, "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life," 1859, p. 162.

  2. Ibid. p. 158.

  3. Michael Behe, "Darwin's Black Box," 1996.

  4. "Unlocking the Mystery of Life," documentary by Illustra Media, 2002.

  5. Michael Denton, "Evolution: A Theory in Crisis," 1986, p. 250.

  6. Charles Darwin, "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life," 1859, p. 155.

A Theory in Crisis - Darwin's-Theory-Of-Evolution.com

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Tuesday, September 16, 2008

FAQs

Kamal's Dasavatharam


Kamal Haasan featuring Dasavatharam in ten different roles is making waves and also getting mixed reviews around the world. (Check our comments section on dasavatharam review and here). One should understand the basic concept of the Dasavatharam storyline — Chaos theory, Butterfly Effect. Chaos theory or “Butterfly effect” has been shown in movies like “It’s a Wonderful Life”, “The Jurassic Park” etc…

Some guys have claimed they haven’t understood chaos theory which plays such an important part in the film. As a physics student, I’ve decided to explain it a bit so that people can appreciate the brilliance of the film.


What is Chaos theory ?

Basically a chaotic system is one wherein long term predictions are impossible. Like for example, if I push a car, I know that it is going to move and it will continue to do so if I go on pushing it on and on. However, in a chaotic system, this situation cannot be predicted over a long period of time. Weather, for example, is a chaotic system. No matter how good your instruments are, you simply cannot predict the weather with 100 per cent accuracy over a long term basis and forecast it.

What is the Butterfly Effect?

It is the most important component of a chaotic system. Basically, small perturbations results in amplifications which completely destroys the original nature of the system and makes prediction impossible. If a butterfly flaps its wings in Africa, it could result ina cyclone in USA.(Mark the word COULD.) A highly dumbed down explanation of the butterfly effect is in the film Anniyan, where Vikram’s sister dies because a liquor shop owner sells liquor on a dry day.

OK, how does Dasavatharam incorporate it?

In essence, Dasavatharam talks about eight characters who are inconsequential as such, but are integrated in a larger picture. Without Bush, the plane would have been called back. Without Shinghen, Govind would be dead. Without the tsunami, the world would have been destroyed. Even Krishnaveni (the old woman) plays a very important role. If she had not put the vial in the idol, maybe Govind would have recovered it then and there and a powerful weapon would have been unleashed. The very fact that it went into the idol meant that it was being accelerated to its destiny. Without Kaifulllah Khan, Govind would have never escaped… the list simply goes on.
OK, so does the film talk about theism or atheism?
Neither. It talks about how humans drive the destiny of the world. The idol that is drowned in the sea along with Rangarajan in 12th century by Chozha king results in a fault being developed at the bottom of the ocean and creates tremors more than 800 years later. These tremors result in the Tsunami. This again is a classic case of Butterfly Effect wherein a seemingly inconsequential event (the drowning of the idol) saves Tamil Nadu from being wiped off the face of the earth.
Now tell me, does THIS movie lack a story?
This movie has the most beautiful story ever attempted in Indian cinema. Unfortunately, Indian viewers and critics are obsessed with the “boy meets girl” and “revenge” themes, so they fail to see the story in this master piece. - Chaos Theory

Chaos theory and Butterfly Effect - Sify.com Message Board

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