Disrupted Networks: From Physics to Climate Change by Bruce J. West

By Bruce J. West

This booklet offers a lens during which glossy society is proven to depend upon complicated networks for its balance. a method to accomplish this realizing is thru the advance of a brand new type of technology, one who isn't explicitly depending on the conventional disciplines of biology, economics, physics, sociology etc; a technological know-how of networks. this article reports, in non-mathematical language, what we all know concerning the improvement of technology within the twenty-first century and the way that wisdom affects our global. additionally, it distinguishes the two-tiered technological know-how of the 20 th century, in accordance with scan and thought (data and information) from the three-tiered technology of scan, computation and conception (data, info and information) of the twenty-first century in every thing from psychophysics to weather swap. This e-book is exclusive in that it addresses parallel strains of argument. the 1st line is normal and meant for a lay viewers, yet one who is scientifically refined, explaining how the paradigm of technology has been replaced to house the pc and large-scale computation. the second one line of argument addresses what a few reflect on the seminal medical challenge of weather swap. The authors convey how a false impression of the switch within the medical paradigm has ended in a false impression of complicated phenomena in most cases, and the motives of worldwide warming specifically.

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THE FACE OF SCIENCE 29 the network at a macroscopic scale as when a network needs to adapt to a changing environment for survival. This later behavior occurs especially for biological and geophysical networks that evidently require a significant degree of robustness and malleability at the same time. Simple examples are: a) the mammalian thermostat where body temperature is kept constant by means of complicated microscopic biological mechanisms in response to external environmental changes; b) the Earth’s thermostat where cooling allows CO2 to build up in the atmosphere, while heating causes rain to reduce CO2 in the atmosphere and so strengthens or weakens the green house effect, respectively; c) the solar thermostat where a decline in the Sun’s core temperature causes the fusion rate to drop, so the Sun’s core contracts and heats up while a rise in the sun’s core temperature causes the fusion rate to rise, forcing the sun’s core to expand and cool down.

On any given day one can find several newspapers articles and web-sites passionately disputing the pros and cons of global warming in terms that are not strictly scientific, but are frequently driven by emotions and/or social-political-economic positions. The positions of the antagonists range from the catastrophic alarmists, who foresee the eminent demise of the Earth, to those who deny the very existence of global warming. The authors are at neither extreme and we restrict our discussion to the science, avoiding politics whenever possible.

WHY A SCIENCE OF NETWORKS? in ecology by the biologist Robert May [101]. Its meaning refers to cases in which a population (represented by xn , with n = 1, 2, . . indicating the generation of the species) evolves according to two opposite causal effects: there is an increasing rate proportional to the current population (reproduction) in the presence of a limiting factor (starvation) that would decrease the population at a rate proportional to the complementary value of the current population measured in proportion to the capacity of the system.

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