To: carranza2 who wrote (36811 ) 7/12/2008 1:13:01 PM From: Haim R. Branisteanu Read Replies (1) | Respond to of 217591 the key is how to adapt those cycles to commodities and as a result to financial markets. We just entered an new cycle..... and it affects human behaviour!!! The average duration of the sunspot cycle is about 11 years (28 cycles in about 309 years between 1699 and 2008), but cycles as short as 9.0 years and as long as 14.0 years have been observed. Significant variations in amplitude also occur. Solar maximum and solar minimum refer respectively to epochs of maximum and minimum sunspot counts. Individual sunspot cycles are partitioned from one minimum to the nexten.wikipedia.org The min-to-max variation, at the 0.1% level, is far too small to affect Earth's climate directly, but it is worth keeping in mind that continuous reliable measurements of the TSI are only available since 1978; the minimum and maximum levels of solar activity have remained roughly the same from then to now, spanning cycle 21 through 23. Even though it only accounts for a minuscule fraction of total solar radiation, the impact of solar UV, EUV and X-Ray radiation on the Earth's upper atmosphere is profound. Solar UV flux is a major driver of stratospheric chemistry, and increases in ionizing radiation significantly affect ionosphere-influenced temperature and electrical conductivity. Impact on Biosphere and human circadian cycle The impact of Solar cycle on living organisms is covered in part by interdisciplinary studies in the fields of science known as Chronobiology, Heliobiology, and Astrobiology. In 1924 Alexander Chizhevsky, graduate of Medical School at Moscow University, published interdisciplinary works: "Physical factors behind the process of history" and "Epidemiological catastrophes and periodic activity of the Sun" studying cycles in living organisms in connections with solar cycle and cycle of lunar phases. Chizhevsky developed a new discipline, Heliobiology, a branch of Astrobiology. In 1939 Chizhevsky was elected Honorary President of International Congress in Biological Physics, for his 1936 publication The Terrestrial Echo of Solar Storms, 366 pp. 1976, Moscow William James Sidis thought that solar cycles affect our mood and have correspondence with occurrence of wars and revolutions.[1] Some more recent studies indicate correlation between solar cycles and human health. [2] Alexander Chizhevsky analyzed sunspot records and proxies as well as battles, revolutions, riots and wars in Russia and 71 other countries for the period 500 BCE to 1922 CE. He found that 80% of the most significant events occurred around sunspot maximum. This data was also reported and further analyzed by Raymond Wheeler and Edward R. Dewey in America, and Dewey reported various cycles in the battles index including 11 and 22 years, both related to sunspot activity. He noted that the Russian Revolution of 1917 occurred during a sunspot activity peak and as a result spent long years in Soviet prisons (Gulag) because his theory challenged the communist belief system. He considered that solar activity triggered existing grievances and complaints rather than causing them. A. L.Chizhevsky’s claim of solar-human connections 8/16: Soon I found myself looking, with due sense of duty, at unconventional claims of disrespected authors. Is there anything at Alexander Chizhevsky's (see pic) claim that variations of solar activity and dependent geomagnetic oscillations have any impact on human mental life? I there any evidence of his claim that changes of minds among masses of people are triggered by solar magnetism manifesting themselves as upheavals, revolts, civil wars, revolutions, and other forms of "power from below"? (Chizhevsky had been banished by Stalinist "power from above" to some gulag in Ural). I found weaknesses in the Russian's archival procedure. To my surprise, however, my scrutiny of this hypothesis based on own data corroborated the gist of his results. Fortunately, representatives of mainstream science in the West where tolerance is decreed by law could not simply react to this finding by jailing the researcher. psych.uni-goettingen.de