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Author Archives: Dan Gezelter
The CP2K project homepage
CP2K is a freely available (GPL) program, written in Fortran 95, to perform atomistic and molecular simulations of solid state, liquid, molecular and biological systems. It provides a general framework for different methods such as e.g. density functional theory (DFT) … Continue reading
Posted in Theoretical and Computational
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Medium Large is back! Woo hoo!
The fantastic web comic, Medium Large, drawn by Francesco Marciuliano, is back on the web after a long hiatus. At least the first strip, the introduction of Teenage Girl President, has reappeared. For the past six months, without ML, my … Continue reading
Posted in Fun
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A physics teacher begs for his subject back
I used to think that math and physics education in US secondary schools was worse than in any other industrialized country. Expectations and standards seem to have fallen so low that some of our best students are showing up at … Continue reading
Posted in education, Policy, Science
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ASCEND modelling environment
ASCEND is a flexible modelling environment for solving hard engineering and science problems. It offers: an object-oriented model description language for describing your system, an interactive user interface that allows you to solve your model and explore the effect of … Continue reading
Posted in Engineering
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PhyloSort
A Java tool to sort phylogenetic trees by searching for user-specified subtrees that contain a monophyletic group of interest defined by operational taxonomic units. Find PhyloSort at: http://phylosort.sourceforge.net
Posted in Bioinformatics
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Avogadro
Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers a flexible rendering engine and a powerful plugin architecture. Find Avogadro at: http://avogadro.cc/wiki/Main_Page
Posted in Molecule Viewers and Editors
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PostGIS
PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRI’s SDE or Oracle’s … Continue reading
Posted in Earth Sciences
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Quantum GIS (QGIS)
Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) that runs on Linux, Unix, Mac OSX, and Windows. QGIS supports vector, raster, and database formats. QGIS is licensed under the GNU General Public License. QGIS lets … Continue reading
Posted in Earth Sciences
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Elmer
Elmer is an Open Source Finite Element Software for Multiphysical Problems. Elmer includes physical models of fluid dynamics, structural mechanics, electromagnetics, heat transfer and acoustics, for example. These are described by partial differential equations which Elmer solves by the Finite … Continue reading
Posted in Engineering
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SAGE
SAGE is free open source math software that supports research and teaching in algebra, geometry, number theory, cryptography, numerical computation, and related areas. Both the SAGE development model and the technology in SAGE itself is distinguished by an extremely strong … Continue reading
Posted in Mathematics
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