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CSCnews 1/2007

CSCnews is a magazine written in non-technical English and intended for everybody interested in science. CSCnews focuses on Finland's computational science, and communicates both ongoing research and research results to its readers in a way we hope will be both beneficial and entertaning.

25.1.2007 (pdf)

Contents 1/2007


Editorial
: Installing a supercomputer: piece by piece, cabinet by cabinet

News

Leena Jukka
: Listen to your data, interview with Professor Bruce Walker from the Georgia Institute of Technology “The human auditory system has superior pattern recognition skills compared with the visual system, but sound is still underused in displaying information.”

Tuomo Kauranne, Harri Auvinen and Heikki Haario
, Lappeenranta University of Technology: What is the weather like today? “Weather forecasts and climate simulations can be improved with faster supercomputers, better models of atmospheric dynamics and more advanced data assimilation methods. The most dramatic algorithmic development in weather models over the last twenty years has taken place in data assimilation.”

Ilkka Hanski and Otso Ovaskainen, University of Helsinki: The flight of a butterfly poses challenging questions from molecules to landscapes. “By studying the occurrence, ecological dynamics, genetic composition, and local evolutionary adaptations of the butterfly in this network we may learn a great deal about metapopulations.”

Column: In the head of an old university lecturer

Mikael Peräkylä, University of Kuopio: Theoretical studies of receptor-ligand systems. Simulation of binding free energy and receptor activation. “Molecular dynamics simulations and experimental site-directed mutagenesis results convincingly demonstrated how the ligand binds to the receptor.”

Viewpoint: Is there a way to get the young people interested in science?

Sampsa Jaatinen and Petri Salo, Helsinki University of Technology: Multiscale modeling of oxidation. “We have successfully combined different simulation methods on different length scales to study the oxidation of the copper surfaceCombining methods opens new doors to see the dynamics and driving forces behind the observed structures.”

Spring courses at CSC

Saara Värttö, CSC: Finns benefit from the European supercomputing resources

Seppo Mustonen: Survo Crossings. “The statistical programming language SURVO 66, and SURVO 76, was one of the first interactive statistical packages, developed some 40 years ago. The various generations of the Survo system have played an essential parti in the tradition of statistical computing in Finland.”

Imprints

Collaboration: Finnish-Russian partner networking—Towards large-scale co-operation

Jack Dongarra, University of Tennessee: A not so simple matter of software. “Old software and new processors won’t work together.”

Column: Virtually yours, Osmo Pekonen