How can a jigsaw have two distinct solutions?

From Standup Mathematician. Learn more about Jane Street’s internship opportunities: https://jane-st.co/SUM-internships Check out Steve’s video: https://youtu.be/FMRi6pNAoag This is Ryan’s Diffusion Illusions site: https://diffusionillusions.com And here is the full “Diffusion Illusions: Hiding Images in Plain Sight” paper by Ryan Burgert, Xiang Li, Abe Leite, Kanchana Ranasinghe and Michael S. Ryoo. https://diffusionillusions.com/assets/diffusion_illusions.pdf Download of the jigsaw: https://www.dropbox.com/scl/fi/rennmoqgzjdup5uof7qna/jigsaw_jumbled.pdf?rlkey=u4v18cwbvut672hqx895tqga0&dl=0…

The unexpected probability result confusing everyone

From Standup Mathematician. Secure your privacy with Surfshark! Enter coupon code standupmaths for an extra 4 months free at https://surfshark.com/standupmaths Thanks to Dylan from Seattle for sending this amazing maths fact to me. You can see an archive of their ChatGPT conversation here: https://chatgpt.com/share/00ed003b-8be6-4756-92b3-de91454ab3f2 Thanks to Grant from 3blue1brown for putting actual work aside and…

Are accurate election predictions luck or skill?

From Standup Mathematician. Go to https://ground.news/standup for a data-driven, objective way to stay fully informed on the issues most important to you. Save 40% on the Ground News unlimited access Vantage plan with my link. Thanks to Jop Schaap for analysing how lucky I was. See their report here: https://www.dropbox.com/scl/fi/yrzp0z3r2u4dgistmtor1/Lucky_predictions_Jop_Schaap.pdf?rlkey=c0ctkocele9sso7kh46y73kcp&dl=0 If you’d like to see…

The Bingo Paradox: 3× more likely to win

From Standup Mathematician. Details on where you can buy Love Triangle in the USA: https://bit.ly/3wCTesR Or if you just want it from Amazon, this is my affiliate link: https://amzn.to/4fy30Ph For people in Europe, signed UK copies are still available on Maths Gear: https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed The box set you should not buy: https://achievefulfilment.onwarehouse.app/preorders/new?campaign_id=ymgvcjy Paul Catherall shop: https://www.paulcatherall.com/shop/…

The search for the biggest shape in the universe.

From Standup Mathematician. Love Triangle sweepstakes are open until Monday August 19th: https://sites.prh.com/love-triangle-sweepstakes Details on where you can pre-order/buy Love Triangle: https://bit.ly/3wCTesR Or if you just want it from Amazon, this is my affiliate link: https://amzn.to/4fy30Ph For people in Europe, signed UK copies are still available on Maths Gear: https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed “Search For Largest Polyhedra” by…

Search for the mythological Klein-ing Frame

From Standup Mathematician. Find out more about Jane Street’s internships in Hong Kong and opportunities around the world! https://jane-st.co/hkginternship-sum Visit the Klein-ing Frame and the rest of the park yourself: http://www.infopia.net/create/index.html This is the site and map I originally found. Site: https://polyhedra.cocolog-nifty.com/blog/2019/04/post-87185f.html Map: http://www.infopia.net/create/images/route1.pdf Check out the original Tweet: https://x.com/MathematicsUCL/status/1358532581113946114 Huge thanks to David Brooks…

The Greenwich Meridian is in the wrong place

From Standup Mathematician. Pre-order Love Triangle anywhere, register for the sweepstakes here: https://sites.prh.com/love-triangle-sweepstakes Details on where you can pre-order/buy Love Triangle: https://bit.ly/3wCTesR Or if you just want it from Amazon, this is my affiliate link: https://amzn.to/4fy30Ph For people in Europe, signed UK copies are still available on Maths Gear: https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed Huge thanks to Steve Mould…

Surprise results I found as an election Count Agent

From Standup Mathematician. Count Binface is on tour around the UK in September and October 2024. Details and tickets here: https://www.aegpresents.co.uk/event/count-binface/ Channel Binface here: https://www.youtube.com/@realcountbinface Tickets for An Evening of Unnecessary Detail NYC (and other London shows) here: https://festivalofthespokennerd.com/tickets/ This is the website I scraped the election data from: https://whocanivotefor.co.uk/elections/parl.2024-07-04/uk-parliamentary-general-election/ But as of around 12…

UK Election charts are a nightmare

From Standup Mathematician. Vote Count Binface for Bindependence Day! https://youtu.be/YwnacH0VNhQ?si=1wamTebLkBfT_NfU Make your vote count. https://www.thisvotecounts.co.uk Thanks to Dave Rowntree for taking time out on the campaign trail to help with this video: Dave Rowntree for Mid Sussex https://www.daverowntreeformidsussex.com Thanks to Count Binface to for taking time out from commanding great swaths of our galaxy to…

Is pool actually just mathematics?

From Standup Mathematician. Get a signed first edition of Love Triangle from Maths Gear: https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed All UK options: https://www.penguin.co.uk/books/443151/love-triangle-by-parker-matt/9780241505694 All USA options: https://bit.ly/3wCTesR Huge thanks to Rollie and Jenn. Check out their videos on the diamond system. Rollie’s Climate Town videos: https://www.youtube.com/@ClimateTown Rollie is an average pool player: https://youtube.com/playlist?list=PLqVm2hbVs27MbFKr7IqZMuqgXjvMJ7pa0&si=4gGhuM3KGrr0Y-VH Jenn’s pool videos: https://www.tiktok.com/@jenn9mmbarretta We filmed…

The first known maths author

From Standup Mathematician. Pre-order a signed 1st edition of Love Triangle now: https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed All UK options: https://www.penguin.co.uk/books/443151/love-triangle-by-parker-matt/9780241505694 All USA options: https://bit.ly/3wCTesR Hugh thanks to the British Museum for getting the papyrus out of storage for me to see. You can watch the other non-papyrus video I made with them over here: https://youtu.be/WctTJVdsISE If you want…

The shape that should be impossible.

From Standup Mathematician. Get your Sydler-shape limited-edition dust jacket now! https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed Here is the bonus video with all the details: https://youtu.be/cB18rgH5YaM See some of you at the Copenhagen Developers Festival, 28 August 2024 https://cphdevfest.com/ Thanks so much to Paul Catherall who made these beautiful prints. https://www.paulcatherall.com If you order Love Triangle on Waterstones you will…

New 7-direction pencil model discovered!

From Standup Mathematician. Find out more about Jane Street’s programmes running across the world: https://bit.ly/sum-janestreet-programs Including the WiSE course which is open to self-identifying women and gender-expansive university students and incoming students: https://www.janestreet.com/join-jane-street/programs-and-events/wise/ Check out KangarooPhysics’ original gif showing the cross-section through the packing arrangment: https://x.com/kangaroophysics/status/1491858072251342850?s=46&t=EVDbN01K_p7T27Gd23R0bw And Daniel Piker’s amazing 3D model: https://sketchfab.com/3d-models/rod-packing-7directions-2-e56a6e899b2b4ef4bb458c66343363e4 More detail…

The mathematically impossible ball that shouldn’t exist.

From Standup Mathematician. Sign the petition now! https://mathsballs.com/ Pre-order Love Triangle to read about the Impossi-ball. https://mathsgear.co.uk/products/love-triangle-by-matt-parker-signed All UK options: https://www.penguin.co.uk/books/44315… All USA options: https://bit.ly/3wCTesR Check out Jon-Paul’s balls: https://www.tiktok.com/@jonpaulsballs Huge thanks to Jon-Paul and Allison for making the ball and inviting us to their studio. https://12p.com/ Thanks to everyone at Liverpool FC for being…