Academic Stuff Detexify - LaTeX symbol classifier. Wolfram Alpha - "computational knowledge engine". The Mathematical Atlas - the various and many areas of maths. Paul's Online Math Notes - generally good. Math Overflow - like Yahoo Answers for mathematicians. gnuplot tips - gnuplot resource. Circuit Simulator - incredibly cool little thing. (here is code to generate a Chua Circuit, which exhibits chaotic behaviour. Code provided by Metaleer, of ##physics fame.) Algebraic surfaces gallery - some nice renderings. Khan Academy - this guy does tutorial videos on many many topics. Unfortunately most of the maths is below JS TP level, but there are others things. Gravity Simulator - fairly self explanatory. Comics I Like A Softer World Girls with Slingshots Hark! A Vagrant Married to the Sea Nedroid Picture Diary Questionable Content Saturday Morning Breakfast Cereal Stuff No-One Told Me Three Word Phrase xkcd Blogs I Read Bad Science - Ben Goldacre talking about, well, bad science, largely of the medical kind. Charlie Brooker column - Amusing rants on current issues. Cosmic Variance - Sean Carrol etc. talking about science/physics. Genomes Unzipped - Personal genomics talk. Gin and Tacos - Somewhat cynical discussion of American politics. Nature News - I realise this is a link to an RSS feed, but that's how I read it, and this is the free content. Miscellaneous How to slice a bagel into two linked halves - self explanatory. Funny Farm - word (association) puzzle. Cavalcade of bizarre draw(pudding)s - a page of weird drawings. ScribblerToo - nice little drawing thing. Flags of the World - massive flag database. Animals on the Underground - animals made out of the routes of the London underground. Vi Hart - snakesnakesnakesnakesnakes. I wish I were as cool as her. People I Know Anastasia Ignatyeva Cathal Ormond Chris Blair Cian Booth David Whyte Eoin Murphy Fionn Fitzmaurice Patrick Conway Ruairí Short Ruadhaí Dervan Shane Duane