By analogy with semiconductor technology one speaks of doping the polymer when it is subjected to oxidation with iodine vapour. The more electrons are removed, the higher the degree of doping and the greater the conductivity.     While polyacetylene can be persuaded to conduct current as well as many metals do, this material is unfortunately…

Contents: Based on materials from the 1989 Nobel Poster for Chemistry.

  The Nobel Prize in Chemistry 2001             The prize is being awarded to William S. Knowles Ryoji Noyori K. Barry Sharpless Photos: PRB This year’s Nobel Prize in Chemistry is about molecules that exist in two forms that are mirror images of each other. Often it is important to…

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Lars Onsager was born in Oslo, Norway, November 27, 1903 to parents Erling Onsager, Barrister of the Supreme Court of Norway, and Ingrid, née Kirkeby. In 1933 he married Margarethe Arledter, daughter of a well-known pioneer in the art of paper making, in Cologne, Germany. They have sons Erling Frederick, Hans Tanberg, and Christian Carl,…

I was born in Jerusalem in 1939 to a poor family that shared a rented fourroom apartment with two additional families and their children. My memories from my childhood are centered on my father’s medical conditions alongside my constant desire to understand the principles of the nature around me. The hard conditions didn’t dampen my…

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Presentation Speech by the former Rector General of National Antiquities, Dr. H. Hildebrand, President of , on December 10, 1909 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Royal Academy of Sciences has resolved to award the former professor at Leipzig University and Geheimrat, Wilhelm Ostwald, the Nobel Prize for Chemistry 1909 in recognition…

Presentation Speech by Professor Inga Fischer-Hjalmars, University of Stockholm Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Greek word for Nature is jnsiz (fysis) and for Natural Science jnsich (fysiké). Later on, this science became so comprehensive that it was divided into a number of smaller domains, such as Biology, Geography, Chemistry, and Physics…