Beauty in the Human Face and the Golden Ratio
Divine Proportion/Golden Ratio in the Art of Da Vinci
After newly exposed forest soils have produced a few crops, the yield will decline due to nutrient depletion. When the croplands receive less precipitation, yields drop. When soils wash away due to erosion, crop yields in those eroded soils will decline. Those effects reduce the EROI and surplus energy of farming those lands. When cropland is abandoned due to aridity, nutrient depletion, and erosion, and lands farther from Rome were conquered, deforested, and farmed, it took more energy to transport those crops to Rome than with farms closer to Rome. That also depressed the EROI and surplus energy. When harbors silted up and needed dredging, or were eventually abandoned and a port was built farther away, that also reduced the EROI and surplus energy of Rome-bound food. When food was used to feed soldiers who traveled increasingly vast distances to conquer and plunder peoples and their lands, those would be lower-EROI ventures than conquests closer to Rome. That dynamic has also been called in academic parlance, but in scientific terms, it is really just sucking the dregs of low-EROI resources after high-EROI energy sources have been depleted. Rome’s decline was really just another resource-depletion dynamic. Humanity’s first one was , and Rome only experienced what , , , , and numerous other early civilizations already suffered. Rome just did it on an unprecedented scale.
Scientists are unanimous that the Western Hemisphere’s indigenous peoples primarily came from East Asia, but there has been a cottage industry for centuries proposing other ideas. When Thomas Jefferson sent the expedition to North America’s west coast in 1804 to , they were alerted to find the lost tribes of Israel. But genetic, anatomical, archeological, and other evidence has long since settled the issue of where American Indians came from, and by far the leading hypothesis is that humans migrated to North and South America beginning about 15 kya, and there may have been a migration along the Pacific coastline, which continued the . As the , a corridor between them formed and humans walked to North America about 11 kya. Those arrivals founded the . The sudden disappearance of virtually all the megafauna of North and South America followed those humans, particularly those that came by land and spread. That situation is where the original “” label was used.
26/09/2010 · Physicist: The golden ratio, g, is
Although Enlightenment philosophers acknowledged their debt to Newton (the world’s most towering intellectual of his time and one of history’s greatest scientists and mathematicians), he saw nothing improper with the slave trade and in 1720. When machines began reproducing human labor, the abolition of slavery also began, as it made unskilled labor uneconomical. Slavery, particularly the genocidal forms inflicted by Europe, were viable only for situations in which little professional skill was needed. Slavery worked best in mine and plantation work that used illiterate and often-expendable people. What became the USA was unique in the European age of slavery, in that tobacco operations, unlike sugar plantations, had more seasonal labor demands. Moreover, the environment of southeast North America was conducive to long-lived and fertile slaves, so that they could reproduce. Consequently, what became the USA was a , with its large slave population largely bred, not captured. People born into slavery are easier to keep enslaved than those born free, but they had to be kept illiterate and at low skill levels, or else they might desire freedom and obtain it. Late in the American era of slavery, some slaves were taught to read, but generally only one book, which justified slavery: the Bible. All the way to , apologists for slavery used Biblical passages to justify it. Many also justified antebellum slavery with economic arguments, stating that people took better care of something they owned rather than something they rented.
The earliest economic school of thought was French, and its practitioners were called . They formed the first and so-far only economic school that rooted economic activity and wealth in energy terms. Physiocrats worked before the science of energy was invented, but they understood that land was the basis of wealth, or more specifically, the crops, timber, metals, and other resources that could be wrested from them via labor (AKA ""). Physiocrats were opportunists who developed economic theories that they planned to profit from, in order to climb into the aristocracy. The first English economist of what later became the was arguably who, like his successors, derived theories that he planned to benefit from. They either tried to join the rising rich classes themselves or performed ideological services on their behalf to curry favor. There was nothing of the disinterested scientist in their work, but they became ideological warriors of the rising capitalist class. It became Karl Marx’s task to name that rising class; he called them the . Preceding the nominal classical economists was , who is called a mercantilist philosopher today, but he was really one of the most honest classical economists in describing the early forces of capitalism, of forcing peasants off the land and enslaving them to market forces.
Efficient-market hypothesis - Wikipedia
Anthropologists and primate researchers , but relatively recent scientific findings have disproven that notion. , and it is more sophisticated with great apes. It took a few million years after the human/chimp split for our ancestors to learn to , and that culture then spread widely in Africa. The , , and were probably all closely related and at least partly interdependent, but little seemed to change . Then the and possessed a larger brain, and new tools and behaviors are evident . The timeframes continually shrank between major events in the human journey. Only 200 thousand years later, and , and new behaviors are in evidence. Only 100 thousand years after that, anatomically modern humans appeared. Only 30 thousand years after that, about 170 kya, , probably due to necessity, where life once again was eked out on the margins, and those humans may have decorated their bodies. About 100 kya, innovation seems to have accelerated again, and by 75-60 kya there is evidence of . Needles and perhaps even arrowheads first appeared about 60 kya. There is no doubt among scientists that members of made those advances, and their artifacts provided evidence of increasing cultural and technical sophistication, which soon left Neanderthals and all other land animals far behind. About 75-70 kya, a , and there is controversy today whether that eruption was partly responsible for the that passed through not long afterward. What became today’s humanity seems to have nearly gone extinct at that bottleneck.
To briefly revisit , to that speculation above, scientists ideally want persuasive evidence that humans drove and to extinction. They want Acheulean or later technological artifacts associated with kills of those species. All that scientists have found for so far are some teeth and jawbones. Although such deductive reasoning is sound, the fossil and artifactual record is so thin that such evidence will probably never be adduced, even if it was a common event 150-100 kya. survived for nine million years and disappeared around when more lethal humans arrived, and a , soon after anatomically modern humans arrived in the vicinity. Is that a coincidence? There is genetic evidence that behaviorally modern humans interbred with , , and perhaps , and they all went extinct soon after those behaviorally modern humans arrived. That they interbred put to bed the hypotheses that they went extinct before arrived on the scene. If they went extinct after behaviorally modern humans arrived, as the genetic evidence clearly tells us, the implications are obvious, and any extinction hypothesis that invokes climate change or some other natural catastrophe has some high hurdles to overcome. Those events were probably early salvos of the .
Maintaining Johnson/Evinrude - LeeRoy's Ramblings
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Pentagram - Wikipedia
Size of a Human: Body Proportions - The Physics Factbook
Evidence for Creation
Is the Sun driving ozone and changing the climate? « …
18/01/2018 · Shapes, Numbers, Patterns, And The Divine Proportion In God's Creation by Fred Willson, M.S
The central mystery in climate science is the Sun
During that boring million years, changed from into hunter. They did not their biomes, but they were also respected by local predators and feared by what they hunted with their primitive weapons. At what stage big cats and other megafauna in Africa learned to avoid and its descendants is not clear, but it happened, and is thought by most scientists today to be why Africa retained its megafauna, and to a lesser extent Eurasia, when the other continents quickly lost them soon after humans appeared, which is a subject for the next chapter. But an early indicator of what probably happened, repeatedly in the coming rise and dominance of humanity, is when (or ) first made it to Flores Island about 900 kya (scientists have found tools but no human-like fossils), perhaps by rafting: a pygmy elephant, a giant tortoise, and a giant lizard all quickly went extinct. Today, it appears that once the migrants made it to Flores Island they stayed and forgot how to leave. They eventually became and lived on Flores for nearly the next million years, and went extinct soon after arrived.
Who Will Take Responsibility for Facebook? | WIRED
Humans took a different path 2.5 mya. There are generally two schools of thought regarding the appearance of among scientists: one is called the Multiregional Model, and the other is called the . In their essence, the Multiregional Model had those migrants eventually evolving into today’s races, and the “Out of Africa” Model had humans evolve in Africa and then spread across the world and replace/displace all other members of the genus. The rise of has largely resolved the issue in favor of the “Out of Africa” Model. There are also intermediate views and variations of each hypothesis, which generally relate to the invaders mating with the natives, even if they could be classified as separate species. For instance, Neanderthal DNA is part of the human genome, which reflects interbreeding. Since Neanderthals were largely confined to Europe and what became the Fertile Crescent, and the migration of the original was from Africa, sub-Saharan Africans . Africans also have the most genetic divergence, which reflects the idea that humans have lived longer in Africa than anywhere else. There is virtually no doubt that evolved in Africa.
Just after the collapse of the World Trade Center in 2001, Leslie E
Did the control of fire to , ? Or did merely use it to begin dominating the world? Was cooking the seminal event in the appearance of humans? Those questions may not be definitively answered in my lifetime, and led to the somewhat uncertain title of this chapter. Highly transformative developments coincided with the appearance and dispersal of , which was a radical break from all that came before – biologically, technically, and culturally – and strongly implies great cognitive enhancements. I believe that the control of fire and cooking would leave deep cultural and biological impacts on the human journey, and because barely changed during its nearly two-million year tenure on Earth, both in biology and in Acheulean artifacts, I favor Wrangham’s hypothesis, at least until the Next Big Finding. Just as Einstein said that and that his theories would one day become obsolete, but that their best parts would survive in the new theories, I suspect that significant aspects of Wrangham’s hypothesis will live on in successor hypotheses, and other scientists have been following Wrangham’s lead.
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