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https://wis-wander.weizmann.ac.il/math-computer-science/order-out-chaos
September 2, 2000
The ancient Greeks called it "Chaos" _ the primordial abyss that existed before the creation of the world. But chaos, apparently, is more than a myth. Mathematical chaos theory tells us that it is impossible to predict the distant future in a chaotic system. Even the orbits of so...
https://wis-wander.weizmann.ac.il/space-physics/star-born
September 2, 2000
Stars are born when gas clouds found in interstellar space shrink and collapse into themselves as a result of their own gravity. If this process passes a certain threshold, nuclear fusion begins within the cloud, causing the conversion of matter into energy and the emission of ra...
https://wis-wander.weizmann.ac.il/space-physics/track-cosmic-radiation
September 2, 2000
Every year, a billion high-energy messages bombard the earth in the form of cosmic radiation of unknown origin. Each of these messages is composed of a single proton carrying concentrated energy a hundred million times greater than could be generated by the most powerful...
https://wis-wander.weizmann.ac.il/people/when-miniature-becomes-different
September 2, 2010
The fields of microelectronics and satellite communications eagerly await new and more efficient materials that may one day be developed based on the insights gained in research of this kind. Gourmet chefs chop carrots and onions into extremely fine slices. Scientists...
https://wis-wander.weizmann.ac.il/people/water-rock
September 2, 2010
Using mathematical models, scientists hope to accurately predict the behavior of the largest readily available freshwater source on earth: groundwater. Water was the underlying force in the development of cultures worldwide, and its importance has not diminished with...
https://wis-wander.weizmann.ac.il/people/cell-destiny
September 2, 2010
Look at a living cell. It has genetic software that controls its behavior, development, and destiny. The term "biological computer" seems to turn up in any discussion of possible future inventions. But Dr. Naama Barkai of the Weizmann Institute's Molecular Genetics an...
https://wis-wander.weizmann.ac.il/fatal-excess
September 2, 2010
The accumulation of too many lipids in a cell leads to a number of hereditary diseases that in particular afflict Ashkenazic Jews: Tay-Sachs, Gaucher's, and Niemann-Pick disease, for instance. Lipids are fatty substances essential for life. They make up the membranes...
https://wis-wander.weizmann.ac.il/life-sciences/cancer-under-siege
September 2, 2000
The growth of a tumor beyond a few millimeters depends on the development of new blood vessels to supply it with nutrients and oxygen. Using magnetic resonance imaging (MRI), Prof. Michal Neeman has developed a number of original non-intrusive techniques to identify the developme...
https://wis-wander.weizmann.ac.il/life-sciences/society-neurons
September 2, 2000
Humans are social creatures, and so are their nerve cells. Every nerve cell in the brain is an individual, but its actions are meaningful only within the context of the entire social array _ i.e., the nervous system as a whole. In the past, scientists thought that nerve c...
https://wis-wander.weizmann.ac.il/research-centers-6
September 2, 2010
Arthur and Rochelle Belfer Institute of Mathematics and Computer Science New York, NY The Joseph H. and Belle R. Braun Center for Submicron Research Chicago, IL The Leo and Julia Forchheimer Center for Molecular Genetics Forchheimer Foundation New York, NY The Murra...
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The Sun
18.11.2020
Times of Israel
18.11.2020