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![]() My hobby is complexity science, formerly called chaos theory. The 'integral' so to speak of this science is the properties that emerge when a complex dynamic system is poised at the phase transition between its opposite extremes in possibility. The typical example. Imagine water being heated just to the point where it turns to steam, but held there at the transition point between water and steam. At this ...very narrow...temperature range the system behaves as neither water or air, but chaotically changing states from one to the other. It's both and neither water and air. A cloud. While persistantly standing poised at this very delicate state, order spontaneously emerges. Needless to say, if the temperature were to be changed even a slight amount the system would suddenly become either water or air. A very small change in system temp produces a sudden and dramatic change in state. From water to air. The earth is a complex dynamic system that stands poised between dramatic changes of state. Ice ages and interglacials. Most people visualize change as linear, or at least proportional in some predictable way. The real world doesn't work that way. It's non linear. Which means that a ...very small...change in certain system variables can have a grossly disproportionate response. It's important to be able to recognize which complex system variables would lead to such dramatic effects. Simply put, the system variables which have the highest level of connectivity to others are the ones where a minor change can brink havoc. A variable like temperature effects, or is connected to, virtually every other system variable simultaneously. Defining the best example. It's like changing a fundamental constant. We should expect and know that changing a global variable such as temperature should bring dramatic change. When we see these dramatic effects actually happen, such as with the sea ice changing so fast, it means we're there already. Thirty years out, not too late??? Sorry Charley. It's too late, we're committed to a much warmer future imho. Now, whether that's really a bad thing is another topic. I'm undecided. s |
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