For the April 2012 issue of Puzzlebomb, I devised Hilbert’s Space-Filling Crossword: The five clues lead to four four-letter words along the rows of the grid, and one sixteen-letter word snaking round the shape given by the thick lines. The puzzle gets its name from the shape traced out by the long word, which is the…
The feeds at Mathblogging.org ran dry this morning following a realisation that every topic has now been covered. The news prompted a major fall in the Mathblogging.org share price, sparking concerns about the aggregator’s future. The news is particularly unwelcome for The Aperiodical, a blogging collaboration which is still yet to formally launch. The realisation…
Puzzlebomb is a monthly puzzle compendium. Issue 4 of Puzzlebomb, for April 2012, can be found here: Puzzlebomb – Issue 4 – April 2012 The solutions to Issue 4 can be found here: Puzzlebomb – Issue 4 – April 2012 – Solutions Previous issues of Puzzlebomb, and their solutions, can be found here. (The April Fools’…
Para Clocks by LeeLABS:
For a while now (what, over a year?) the folks at Mathblogging.org have been choosing their weekly ‘picks’ of the blogs coming through their aggregator. The promise at the start of each post has amazed me: We try to read every blog post that goes through Mathblogging.org. For the Weekly Picks, we collect posts from…
There is a new page collating all previous Carnival of Mathematics posts and listing future hosts, and through which you can volunteer to host future Carnivals: “Carnival of Mathematics“.
In my capacity as someone who occasionally turns up and does maths at people, I often find myself exposed to ‘starter puzzles’ – things the organisers provide to whichever group of humans have come to see me do maths, to give them something to do in any waiting time before the event starts. This is,…