"Hey, come check out my blog where I talk about programming and space!" I think the Deep Belief Networks of Hinton et al are quite interesting.. in that they are real science with measurable results that has been reproduced by multiple implementations. The 2006 paper that started it all and Hinton's presentation on google video: http://www.gatsby.ucl.ac.uk/~ywteh/research/ebm/nc2006.pdf http://vid