A Mathematical Secret Santa Protocol Katie Steckles 2023-12-09 | In which Katie and some internet maths friends organise a gift exchange using a (slightly rubbish) mathematical protocol.Blippy festive music by @SilvermanSound StudiosThanks to Matthew Scroggs & Sophie Maclean (from @chalkdust), @peterrowlett, @KatDoesMaths, @samhartburn and @standupmaths for taking part, and to Alex Corner for additional help.Math StackExchange post: math.stackexchange.com/questions/2896780/secret-santa-algorithm-that-does-not-rely-on-a-trusted-3rd-party/2896914#2896914
Mathober 2023 - Highlights Compilation Katie Steckles 2023-10-31 | Here's a compilation of clips from the videos I've been making for #mathober #mathober2023 which shows how I've spent π minutes each day making a terrible video in Geogebra and failing to construct some nice mathematical ideas. Definitely does contain swearing.You can view my posts about this on my feed at mathstodon.xyz/@stecks.Full playlist: youtube.com/playlist?list=PL83M4YUqJnxIrSdKPDfaIEZ9lRAWMg846Blog post with prompts list: fractalkitty.com/2023/08/26/mathober-2023-prompts
Upcoming maths/games online show Katie Steckles 2022-10-07 | 24 Hour Maths Channel: youtube.com/channel/UCoemA7gY51CyD1IZCYlWAmg24 Hour Maths Magic Show playlist: youtube.com/watch?v=Qf4lQcIrtAU&list=PLg9ShWIgYvr6MtyDZ43ZxbeRSV6n08h1v24 Hour Maths website: http://24hourmaths.comMusic: All Time High Jump by TeknoAXE youtube.com/watch?v=z1fEObIU2hU
Maths in the Spiderman: No Way Home Credits Katie Steckles 2022-08-22 | Join me and fellow maths/Marvel fan Jimi for a walk through the end credits of Spiderman: No Way Home, and a chat about some of the interesting mathematical things we spot therein.More info about the pointy shapes we mention around 6:45 can be found here: aperiodical.com/2018/07/the-big-internet-math-off-round-1-peter-rowlett-v-alison-kiddleVisit the Aperiodical: aperiodical.com
Fold and one cut snowflake! Katie Steckles 2020-12-07 | Music: the first blip blop noel by dma-sc, CC BY-NC-ND 3.0Since I've talked about the Fold and Cut theorem before, and have also previously been annoyed about people making non-hexagonal snowflakes, I sometimes get asked if it's possible to cut out a real hexagonal snowflake with one straight cut. Here's the answer!Fold and Cut Theorem, on Numberphileyoutube.com/watch?v=ZREp1mAPKTMSnowflake or Snow-fake, on Think Mathsthink-maths.co.uk/snowflake-or-snow-fake#snowfake hashtag on Twitter, to which I contribute most years:twitter.com/search?q=%23snowfake
Katies #MegaFavNumbers - the MEGISTON, and Steinhaus-Moser notation Katie Steckles 2020-08-19 | This video is part of the MegaFavNumbers project. Maths YouTubers have come together to make videos about their favourite numbers bigger than one million, which we are calling #MegafavNumbers.We want *you*, the viewers, to join in! Make your own video about your favourite mega-number. You can think of a cool big number, or think of a cool topic first and hang a mega-number on it.Upload your videos to YouTube with the hashtag #MegaFavNumbers and with MegaFavNumbers in the title, and your video will be added to the megafavnumbers playlist.Submit your videos anytime before Wednesday 2nd September to be added to the MegaFavNumbers playlist!Steinhaus' book: books.google.co.uk/books/about/Mathematical_Snapshots.html?id=sFzCAgAAQBAJSteinhaus-Moser notation, on Wikipedia: en.wikipedia.org/wiki/Steinhaus%E2%80%93Moser_notationIn case anyone in the comments is wondering, yes, that square at 3:43 *is* more like a rectangle, the t-shirt I'm wearing is here: qwertee.com/product/honk-747, and this is the poster you can just see in the corner: kroneckerwallis.com/product/book-4-poster-construction-rectilinear-figures-around-circles-euclids-elements
The Unwanted Shape Katie Steckles 2018-12-20 | Find out about a particular shape I've got a bee in my bonnet over.5.12: obvs, I meant archimedean solid, not platonic :)Branko Grünbaum PDF: http://bit.ly/brankopaperPrintable A4 paper/card nets: http://bit.ly/PRCO-nets3D printing files (SCAD/STL): github.com/samheadleand/pseudorhombicuboctahedronMusic by Komiku: http://freemusicarchive.org/music/Komiku
Pi km run around a 10m circle Katie Steckles 2018-03-10 | For Sport Relief 2018, I'm running πkm every day in March. Today I've done it by running around the circumference of a 10m diameter circle 100 times, giving a total distance run of πkm. Sponsor me to keep running at pikm.run.Sport Relief: sportrelief.com
A puzzle about tea and coffee Katie Steckles 2017-12-07 | A reformulation of a classic logic puzzle. Think carefully!CLARIFICATION: In the cards version of the puzzle, I haven't stated (but it's necessary) that you know the cards all have a letter on one side, and a number on the other."Digital Lemonade" Kevin MacLeod (incompetech.com)Licensed under Creative Commons: By Attribution 3.0 Licensehttp://creativecommons.org/licenses/by/3.0
Stars and Planets alternatives - your entries Katie Steckles 2017-09-07 | Since my last video, people have sent in a few ideas for alternative versions of my 'Stars and Planets' game - here's my favourites, and an announcement of who's won a tiny prize.My other video: youtu.be/VIhyt8pBuMULearn more about 220 & 284 on Numberphile: youtu.be/fUSZBVYZdKYSET game (and variants) available to buy at mathsgear.co.uk
A couple of mathematical games Katie Steckles 2017-08-15 | Katie shows one of her mathematical friends some new games she's found recently.Also: to clarify, when I say 'hundreds' I of course mean 84. And if you notice something weird going on in the close-up shots, bear in mind that I'm ambidextrous.I'm also hoping to shortly do a giveaway of the cards used in the video - follow me on Twitter (@stecks) for details of how I can post some lucky winners a set of cards in the actual post.Special guest star: Dr James Grime youtube.com/singingbananaJames' video on the Game of Nine: youtu.be/ue4Baa8Mhn8'Stars and planets' game based on one found in UC Irvine Math outreach activity 'Magical Patterns': https://www.math.uci.edu/mathceo/
How to draw an egg! Katie Steckles 2017-04-10 | Using only a pair of compasses, ruler and pencil, here's how to construct an egg shape from arcs of circles. Blippy music, as always, by Kevin Macleod at incompetech.com. Grammar pedantry by Bill Steckles.
Cutting an oval pizza into equal area slices Katie Steckles 2017-03-14 | Struggling to cut your elliptical pizza up into equal pieces? Here's a nice method for doing that, and a bit of an idea why it works.Thanks to Kevin Macleod/incompetech.com as usual for blippy tunes.
A Card Trick I Learned in Finland Katie Steckles 2017-03-13 | Thanks to Marjut Salminen from fbsoc.fi for her kind permission to tell this story and reproduce the trick here! For more information about MathsJam: mathsjam.comAlso: YouTube appears to have cut off the last 10 seconds of my video! Here's what happened next: youtu.be/JHQB1R6pPUc
Nail Varnish Tutorial - Binary numbers Katie Steckles 2016-05-12 | Here's Katie's introduction to how to make your nails display a mathematical secret message, using glitter! Use binary numbers, like computers do, to express yourself in glittery ones and non-glittery zeroes.Binary Nail Cheat Sheet is here: bit.ly/binarycheatsheetIf you're interested, here's a related puzzle I've posted over at The Aperiodical: http://aperiodical.com/2016/05/katies-binary-nails-tutorial-and-a-puzzleMusic by Kevin Macleod/incompetech.com
Dice Puzzle - Katie and Pauls dead easy solution Katie Steckles 2016-04-17 | Paul and I have a solution to Matt (@standupmaths)'s three dice/two dice puzzle - and here it is!Matt's original puzzle: youtube.com/watch?v=xHh0ui5mi_EUseful links:Flowchart: dl.dropboxusercontent.com/u/14337736/flowchart.pngChart of values: dl.dropboxusercontent.com/u/14337736/chart%20of%20dice%20values.pngR code: http://www.r-fiddle.org/#/fiddle?id=tdaLsnvA&version=4Python implementation, sent in by Calvin Pash:http://pastebin.com/cu9Wju6iKatie Steckles@stecks / katiesteckles.co.ukPaul Taylor@apaultaylor
Mathematical Present Wrapping Katie Steckles 2015-12-16 | Mathematician Katie Steckles takes you through some mathematically satisfying ways to wrap presents using paper.
Playing Games With Squares Katie Steckles 2011-05-19 | Katie talks you through some of the interesting mathematical objects that can be made starting from an ordinary square.Links:http://en.wikipedia.org/wiki/Square_(geometry)http://en.wikipedia.org/wiki/Torushttp://en.wikipedia.org/wiki/M%C3%B6bius_striphttp://en.wikipedia.org/wiki/Klein_bottlehttp://en.wikipedia.org/wiki/Real_projective_planehttp://www.cut-the-knot.org/do_you_know/paper_strip.shtmlhttp://www.kleinbottle.comhttp://www.kleinbottle.com/klein_bottle_hats.htmhttp://standupmaths.com/docs/MattParker-KleinHatPattern.pdf
