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The Science of Arcadia

 

Forgot your Fermat? Confused about Chaos Theory? Have no fear, all you need to know is here! 

Chaos Theory vs. Determinism

 

 AUGUSTUS: You are not my tutor, sir. I am visiting your lesson by my  free will.

 SEPTIMUS: If you are so determined, my lord.

 (Thomasina laughs at that, the joke is for her.)

One of the main ideological conflicts in Arcadia is between the philosophies of Chaos Theory and Determinism. 

 

Determinism argues that, because the universe is governed by certain incontrivertible physical laws, every future action and event can be predicted based on those laws. This idea was based on Sir Isaac Newton's Laws of Motion and principle of universal gravitation.

 

As described in a lecture by University of Oregon Physics professor James Schombert, "Determinism...implies that everything is predictable given enough information. Since Newtonian or classical physics is rigidly determinist, both in the predictions of its equations and its foundations, then there is no room for chance, surprise and creativity. Everything is as it has to be. Needless to say, obtaining a completely detailed description of the entire Universe at any one time was not a realistic undertaking, nor was solving all the equations required to predict its future course. But that wasn't the point. It was enough that the future was ordained. If you accepted the proposition that humans were entirely physical systems, composed of particles of matter obeying physical laws of motion, then in principle, every future human action would be already determined by the past. For some this was the ultimate indication of God: where there was a design there must be a Designer, where there was a clock there must have been a Clockmaker. For others it was just the opposite, a denial of the doctrine of free will which asserts that human beings are free to determine their own actions.

 

Chaos Theory takes the opposite view, that the future is unpredictable, because even the slightest variation in circumstances can have an impact that reverberates thousands of miles away or many years in the future. This theory accounts for things that do not act according to any rigid law, like, as Chloe points out, human attraction. 

 

The Fractal Foundation elaborates on the following principles of Chaos Theory:

The Butterfly Effect: This effect grants the power to cause a hurricane in China to a butterfly flapping its wings in New Mexico. It may take a very long time, but the connection is real. If the butterfly had not flapped its wings at just the right point in space/time, the hurricane would not have happened. A more rigorous way to express this is that small changes in the initial conditions lead to drastic changes in the results. Our lives are an ongoing demonstration of this principle. 

 

Unpredictability: Because we can never know all the initial conditions of a complex system in sufficient (i.e. perfect) detail, we cannot hope to predict the ultimate fate of a complex system. Even slight errors in measuring the state of a system will be amplified dramatically, rendering any prediction useless. 

 

Mixing: Turbulence ensures that two adjacent points in a complex system will eventually end up in very different positions after some time has elapsed. Examples: Two neighboring water molecules may end up in different parts of the ocean or even in different oceans. Mixing is thorough because turbulence occurs at all scales. It is also nonlinear: fluids cannot be unmixed.

 

Feedback: Systems often become chaotic when there is feedback present. A good example is the behavior of the stock market. As the value of a stock rises or falls, people are inclined to buy or sell that stock. This in turn further affects the price of the stock, causing it to rise or fall chaotically.

 

Fractals: A fractal is a never-ending pattern. Fractals are infinitely complex patterns that are self-similar across different scales. They are created by repeating a simple process over and over in an ongoing feedback loop. Driven by recursion, fractals are images of dynamic systems – the pictures of Chaos. Geometrically, they exist in between our familiar dimensions. Fractal patterns are extremely familiar, since nature is full of fractals. For instance: trees, rivers, coastlines, mountains, clouds, seashells, hurricanes, etc.

 

 

 

 

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Iteration

 VALENTINE: If you knew the algorithm and fed it back say 10,000 times,  each time there'd be a dot somewhere on the screen. You'd never know  where to expect the next dot. But gradually you'd start to see this shape,  because every dot will be inside the shape of this leaf. It wouldn't be a leaf, i  it would be a mathematical object. But yes. The unpredictable and  predetermined unfold together to make everything the way it is. It's how  nature creates itself, on every scale, the snowflake and the snowstorm. It  makes me so happy.

Second Law of Thermodynamics

 VALENTINE: The heat goes into the mix. (He gestures to indicate the air in  in the room, in the universe.)

 THOMASINA: Yes, we must hurry if we are going to dance.

 VALENTINE: And everything is mixing the same way, all the time,  irreversibly...

 SEPTIMUS: Oh, we have time, I think.

 VALENTINE: ...till there's no time left. That's what time means.

From Allaboutscience.org

"The Second Law of Thermodynamics is one of three Laws of Thermodynamics. The term "thermodynamics" comes from two root words: "thermo," meaning heat, and "dynamic," meaning power. Thus, the Laws of Thermodynamics are the Laws of "Heat Power." As far as we can tell, these Laws are absolute. All things in the observable universe are affected by and obey the Laws of Thermodynamics. 

 

The Second Law of Thermodynamics is commonly known as the Law of Increased Entropy. While quantity remains the same (First Law), the quality of matter/energy deteriorates gradually over time. How so? Usable energy is inevitably used for productivity, growth and repair. In the process, usable energy is converted into unusable energy. Thus, usable energy is irretrievably lost in the form of unusable energy. 

 

"Entropy" is defined as a measure of unusable energy within a closed or isolated system (the universe for example). As usable energy decreases and unusable energy increases, "entropy" increases. Entropy is also a gauge of randomness or chaos within a closed system. As usable energy is irretrievably lost, disorganization, randomness and chaos increase. 

 

The implications of the Second Law of Thermodynamics are considerable. The universe is constantly losing usable energy and never gaining. We logically conclude the universe is not eternal. The universe had a finite beginning -- the moment at which it was at "zero entropy" (its most ordered possible state). Like a wind-up clock, the universe is winding down, as if at one point it was fully wound up and has been winding down ever since. The question is who wound up the clock? 


 

 

Fermat's Last Theorem

 SEPTIMUS: In the margin of his copy of Arithmetica, Fermat wrote  that he had discovered a wonderful proof of his theorem, but, the  margin  being to narrow for his purpose, did not have room to  write it down. The not was found after his death, and from that  day to this-

 THOMASINA: Oh! I see now! The answer is perfectly obvious.

 SEPTIMUS: This time you may have overreached yourself.

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