# Bad Rounding: ⌊Trump vs Obamacare⌋

From Standup Mathematician. wwwh.umble-pi.com Please pre-order my book! It’s out 7 March 2019. Buy it from Maths Gear and be guaranteed a signed first edition hard back. https://mathsgear.co.uk/products/humble-pi But it is also available on Amazon. https://www.amazon.co.uk/Humble-Pi-Comedy-Maths-Errors/dp/0241360234/ref=sr_1_1?_encoding=UTF8&tag=stanupmath-21 Huffington Post article about 3.49 proposal: http://www.huffingtonpost.com/entry/trump-obamacare-changes_us_5894d9f4e4b040613136d98a?jhf5gjzdv58tcsor “According to sources privy to HHS discussions with insurers, officials would argue…

# Superpermutations: the maths problem solved by 4chan

From Standup Mathematician. Join in the Superpermutation effort! The best place to start is the google group: https://groups.google.com/forum/#!forum/superpermutators This is where Robin Houston does his real job: Flourish Data Visualisation http://flourish.studio James Grime’s video: Superpermutations – Numberphile https://www.youtube.com/watch?v=wJGE4aEWc28 A lower bound on the length of the shortest superpattern Anonymous 4chan Poster, Robin Houston, Jay Pantone,…

# Happy Thirdsday: finding a third using only halves

From Standup Mathematician. Thirdsday was created (discovered?) by Jim Propp! Read his manifesto here: https://mathenchant.wordpress.com/2018/12/31/introducing-thirdsday/ He’s @JimPropp on Twitter: https://twitter.com/JimPropp Here is James Tanton’s video “How to Fold or Split Things into Thirds”. https://www.youtube.com/watch?v=G8cD5NMOMcs Check out the Think Maths resources to help calculate the digits of a third! https://www.think-maths.co.uk/celebrating-thirdsday And Evelyn Lamb has done a…

# 2019 facts in 2 mins 19 seconds

From Standup Mathematician. Huge thanks to Inder Taneja for crunching the numbers. I asked for a few number facts: they produced a whole paper. Inder’s work on their site: https://inderjtaneja.com/2018/12/31/2019-in-numbers/ The full PDF: https://zenodo.org/record/2529103 Here are text version you can copy of all the facts in the video: 2019 = (2×22+2/2)^2 −2−2−2 1+(1+1)^11 − (11−1)×(1+1+1)…

# How many calendars are there?

From Standup Mathematician. Humble Pi on Maths Gear: https://mathsgear.co.uk/products/humble-pi Get your free gift when you pre-order! https://www.penguin.co.uk/articles/2018/nov/humble-pi-preorder.html Here it is on Amazon. https://www.amazon.co.uk/Humble-Pi-Comedy-Maths-Errors/dp/0241360234/ref=sr_1_1?_encoding=UTF8&tag=stanupmath-21 And Waterstones why not! https://www.waterstones.com/book/humble-pi/matt-parker/9780241360231 Right, now on to details about the actual video. All the photos of retro calculators are from this great website: My Calc DB http://mycalcdb.free.fr/main.php?l=0&p=1 I do not…

# Infinite DVD unboxing video: Festival of the Spoken Nerd

From Standup Mathematician. BUY IT! https://shop.festivalofthespokennerd.com/ If you think you know how we filmed this: comment below. I bet you’re wrong. Filming a stand-up show (even without a stupid extra feature) takes untold effort and money, which foolishly we supplied all ourselves. So we’d love it if you could exchange money for a copy. Get…

# The equations behind my live spherical footage

From Standup Mathematician. DVD, download and floppy disk available here: http://fotsn.com/ycpandvd Please buy it! Watch the section of “You Can’t Polish a Nerd” where I introduce the spherical camera: https://www.youtube.com/watch?v=pgyI8aPctaI BONUS video with more spherical footage equations! https://youtu.be/ejcxDIfiZLY Check out Aaron’s github: https://github.com/montaga Thanks to Dr Ken for juggling help! https://dodifferent.co.uk/ Spoken Nerd also sell…

# Stand-up comedy routine using a live spherical camera

From Standup Mathematician. DVD, download and floppy disk available here: http://fotsn.com/ycpandvd Steve’s video here: https://youtu.be/C91gKuxutTU I make comedy shows about science with Festival Of The Spoken Nerd. Here’s a clip from our latest show where I use maths to live manipulate spherical footage. We also sell t-shirts and a bunch of other stuff. https://shop.festivalofthespokennerd.com/ If…

# How to estimate a population using statisticians

From Standup Mathematician. Thanks so much to the Royal Statistics Society, and Jen Rogers in particular, for letting me come along and hang-out at the conference. RSS: https://www.rss.org.uk/ JEN: https://www.jenniferrogers.co.uk/ Basic-level intro to capture-recapture sampling: http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_gateway/green_world/ecologyrev2.shtml And some advanced-level details about multi-capture: https://projects.ncsu.edu/cals/course/fw353/Estimate.htm If you want to see my excel spreadsheet: here it is exactly…

# Vector: my new robot maths buddy

From Standup Mathematician. Find the Anki Vector of your dreams here: http://bit.ly/standupmathsvector Vector is Anki’s first home robot with personality and they have sponsored this video and gave me a Vector (but I was free to make whatever video I wanted and state my unbiased opinions). So it’s technically #ad. And thanks to everyone at…

# Ordinals vs Cardinals (and how many algebraic numbers are there?)

From Standup Mathematician. If you want to see the transfinite ordinals, then check out the Vsauce video “How To Count Past Infinity”. https://www.youtube.com/watch?v=SrU9YDoXE88 Here is Simon Pampena’s Numberphile video about algebraic and transcendental numbers. https://www.youtube.com/watch?v=seUU2bZtfgM My personal favourite way to order and count the rationals. https://www.youtube.com/watch?v=DpwUVExX27E Watch James Grime show that the reals are uncountably…

# Does daylight savings kill people?

From Standup Mathematician. Read the paper: “Daylight savings time and myocardial infarction” https://openheart.bmj.com/content/1/1/e000019 Pre-order Humble Pi on Maths Gear! https://mathsgear.co.uk/products/humble-pi You can also pre-order Humble Pi on Amazon: https://www.amazon.co.uk/Humble-Pi-Comedy-Maths-Errors/dp/0241360234/ref=sr_1_1?_encoding=UTF8&tag=stanupmath-21 EU plans to scrap daylight savings: https://www.reuters.com/article/us-eu-time/eu-seeks-to-scrap-seasonal-clock-changes-in-2019-idUSKCN1LU1O4 Thanks to my Patreon supports who do support these videos and make them possible. Here is a random subset:…

# Making a physical Lissajous curve

From Standup Mathematician. Original tweet by Julio Mulero @juliomulero on 11 September 2018: https://twitter.com/juliomulero/status/1039456605736185856 Previous tweet by Vincent Pantaloni @panlepan on 20 January 2018: https://twitter.com/panlepan/status/954694464697720833 Download Vincent’s Geogebra file: https://www.dropbox.com/s/in51f5dyxlzcn13/Lissajous-table-4×4.ggb?dl=0 Here is my near-missajous excel file. https://www.dropbox.com/s/e80jg8wnhgrjic3/parametric%20drawing%20SUM.xlsx?dl=0 Lissajous Curve on Mathworld. http://mathworld.wolfram.com/LissajousCurve.html This is the turntable I used: https://www.amazon.co.uk/dp/B012A0LK8S/ref=sr_1_1?_encoding=UTF8&tag=stanupmath-21 Thanks to my Patreon supports who…

# THE SCUTOID: did scientists discover a new shape?

From Standup Mathematician. Read the Nature paper for yourself: “Scutoids are a geometrical solution to three-dimensional packing of epithelia” https://www.nature.com/articles/s41467-018-05376-1 Thanks to Laura and Clara for helping me with the video! You can download Laura’s model for free or order a print from Shapeways: https://www.thingiverse.com/thing:3024272 https://www.shapeways.com/product/L4D27PP24/pair-of-packable-scutoids Laura Taalman, James Madison University https://www.jmu.edu/mathstat/people/faculty-full-time/Taalman-Laura.shtml Clara Grima, University…

# How to detect bank fraud with maths

From Standup Mathematician. I chat to Daniel from the financial crime and security team at Monzo to talk about how they used maths to detect a data breach at Ticketmaster which exposed people to bank fraud. Here is their post about what happened: https://monzo.com/blog/2018/06/28/ticketmaster-breach/ Thanks to both Daniel and the team of Monzo for letting…