Hello, world ! Welcome to the weblog of Kristof Willen. This is the place where I publish some weird and interesting links I encountered during my dwellings in cyberspace. Apart from that, you can find some useful/useless information about myself.
Khan academy
31 January, 2010 - 11:52 — kristof
Is your knowledge of science getting a bit rusty ? Having troubles following your kids with their matrix multiplications ? Head over to the Khan Academy and brush things up, ranging from chemistry over biology to linear algebra.
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