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John Conway on Numberphile!

Numberphile, the supremum over all YouTube channels, has scored a bit of a coup – Brady has sat down and recorded an interview with the famously Internet-reclusive John Conway.

In this first video (there’s a bonus one linked at the end of this one, and I hope there’ll be more) John talks about his love/hate relationship with his Game of Life.

By the way, I notice from the video’s description that the Mathematical Sciences Research Institute is paying for Numberphile these days. Thanks, MSRI!

Translate Numberphile, please / Traduisez Numberphile, s’il-vous-plaît / Bitte übersetzen Numberphile…

Numberphile is that cool YouTube channel with the videos about the numbers and the philes. You might remember them from the time they did that ace video about our integer sequence reviews. But if you’re unlucky enough not to understand the English as she is spoke, then that’s no use to you.

But it could be! Chief Numberphile Brady Haran has set up a page asking for translations of the videos, so everyone can enjoy them. As long as you’re fluent in one of the languages for which a video already has subtitles, the process is pretty simple: you download a caption file in one language, translate it into another, and upload it back to the site. And then you’ve done a good deed!

Brady’s just posted on Twitter that he’s already approved 24 translations since starting the project yesterday evening, so join your fellow Frenchmen/Flemings/Faroese and get translating. (I suggest you start with “Six Sequences”…)

Submit a translation: Translations for Numberphile at

via Brady Haran on Twitter

Collaborative Mathematics: kids (and non-kids) work together on problems over YouTube

Jason Ermer’s Collaborative Mathematics project has launched its first video challenge. The project aims to allow mathematics to happen collaboratively via the medium of online videos, and video responses. The idea is that having watched the challenge video, you work with a group of friends (collaboratively) and post a response video, and then watch others’ response videos, and hopefully somewhere along the line mathematics will happen.

Rubik’s Tube

James Grime, cubing hard

Numberphile filmmaker and general internet legend Brady Haran has been busy putting together a series of YouTube videos about the Rubik’s cube, with contributions from Aperiodical friends Matt Parker and James Grime. The videos also feature lots of solving clips sent in by viewers, and Aperiodical Editor triumvir and sometime maths-talker-abouter Katie Steckles (that’s me) occasionally pops in to make comments and state facts which are no longer true (a world record was broken 4 days after filming).