A blog written by a PhD student at the University of Cambridge, which every week (well ... notionally every week) posts an accessible description of an interesting mathematical theorem, with (typically) a sketch of the proof.
It's mostly at a level that shouldn't be too scary for the typical HNer, though the most recent entry (on Szemeredi's theorem) is somewhat scarier than average.
It's mostly at a level that shouldn't be too scary for the typical HNer, though the most recent entry (on Szemeredi's theorem) is somewhat scarier than average.