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Conjoined Möbius Hat pattern by Woolly Thoughts

Pat Ashforth has written in to say that she’s released a new free knitting pattern for a Klein bottle hat with a – wait for it – twist!

World Record Rubik’s Cube Solve

Rubik's Cube world record crowdThis Wednesday, friend of The Aperiodical Matt Parker compered an event at London’s O2 Arena in which the world record for most simultaneous Rubik’s cube solves was smashed by a crowd including schools groups, individuals, maths fans and the UK’s current speedsolving champion, Robert Yau.