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Elemente der Naturwissenschaft75,2001ELEMENTE DER NATURWISSENSCHAFT 75 2/2001 Der Begriff des Gegenraumes Oliver Conradt Summary The concept of counter space or negative space is developed from Goethe’s concept of space as described by the young Rudolf Steiner. Whilst the three dimensions of space are based on the relation between two separated objects, the three... read more
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Elemente der Naturwissenschaft75,2001ELEMENTE DER NATURWISSENSCHAFT 75 2/2001 Doppeldrehung und Polarisation Johannes Grebe Gestalt wirkt auf Gestalt.I Rudolf Steiner Summary Based on a discovery of Haidinger, cyclic sequences of images as a result of an interplay of the optical elements analyser, transformer and polarizer are investigated. The change of the image... read more
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Elemente der Naturwissenschaft75,2001ELEMENTE DER NATURWISSENSCHAFT 75 2/2001 Der blaue Planet Erdgeschichtliche Betrachtungen über das Weltmeer Wolf-Christian Dullo Summary Understanding the Earth as a self-contained organism is fundamental to a Goethean approach. But how can we develop a concrete picture of it based on sensorial experience? An autonomous organism is... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Wasser, das universelle Lebenselement Wolfram Schwenk Summary The statement «no life without water» raises the question of the interconnections of life and water. Water reveals its life sustaining activities especially in its liquid state, thus the view presented here is focused on the liquid... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Das Wasser in der Nutzung durch den Menschen Norbert Pfennig Summary The establishment of the first towns of early civilisations after about 3000 BC was made possible through sufficient food supplies from agriculture and the management of drinking water, sewage and rainwater. All human activity... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Water as a Mediator for Life A. John Wilkes Summary We are embedded within, surrounded by and dependent upon rhythms of all kinds and yet they remain a mystery. Life and rhythm are indeed one. Water is the most sensitive carrier and mediator of rhythm. George Adams during the mid years of the... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Wasser in Pumpen und Turbinen Christian Liess Summary If one wants to approach the question of whether and in what way water is damaged by passing through turbines or pumps, one has first to get a clear and detailed picture of the flow conditions in these machines. This is what the present... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Wasser und Energie Georg Sonder Summary Energy flow can be traced from a stream or river to a hydroelectric dam and thence via the turbine and generator to the electricity transmission lines. A particular aspect of energy, its «sensory imperceptibility» is examined. The energy flows with the... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Stausee-Großprojekte - Beispiele faustischen Wirkens Eduard Naudascher Summary Using the example of a hydroelectric and irrigation dam project in the Senegal valley, this paper shows how modern economics and technology transmute natural cycles into money cycles. Natural irrigation, desalination... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Trinkwasserversorgung - eine Selbstverständlichkeit? Walter Jülich Summary Supplying acceptable drinking water to people in many parts of the world presents problems. Even in Europe it raises many difficulties and unknowns. A few decades ago the Rhine was heavily polluted and although this has... read more