Complex Fibonacci Numbers?

From Standup Mathematician. Huge thanks to Jane Street! https://www.janestreet.com/join-jane-street/ Check out Ben Sparks’s GeoGebra files. Binet formula 2D complex output: https://www.geogebra.org/m/ypqcuqcs 3D imaginary output of Binet formula: https://www.geogebra.org/m/z6dy9cj5 3D plot of absolute output of Binet formula: https://www.geogebra.org/m/pb7hmxyd My four-part series on Numberphile videos about Fibonacci Numbers (from 2014) starts here. https://www.youtube.com/watch?v=D8ntDpBm6Ok Here is me going…

The Stack Folding Challenge

From Standup Mathematician. AHGD / BCFE AHBG / DECF The "Stack Folding Challenge" is to fold the two lay-outs I show in the video. But the MPMP meta-puzzle is to work out how many different Stack Folding Challenges are possible. That is to say: how many ways can you fold such a piece of paper…

Are Matt and James anti-psychic?

From Standup Mathematician. Yes, technically we’re "NAND psychic". Want to own Matt’s red/black sign, signed by him and James? It’s being auctioned for charity: https://www.ebay.co.uk/itm/362997607146 James’s Singing Banana channel is over here: https://www.youtube.com/user/singingbanana Here is our previous collaboration: "The Difference of Two Squares" https://www.youtube.com/watch?v=LkIK8f4yvOU Want to watch the full unedited footage of us being anti-psychic?…

The 1890 US Census and the history of punchcard computing [feat. Grant of 3blue1brown fame]

From Standup Mathematician. Thanks to Grant Sanderson (of 3blue1brown fame) for joining me on a fun day out! Best double-check you are definitely subscribed to their channel: https://www.youtube.com/3blue1brown If you are ever in the Bay Area you should totally check out the Computer History Museum. https://computerhistory.org/ Bubbles Whiting – Using Punch Cards – Hollerith and…

The Parker Machine: it’s 80% accurate.

From Standup Mathematician. Check out the full lecture on the Royal Institution YouTube channel. https://www.youtube.com/watch?v=_q4DrUHKC0Q Ri Christmas Lectures thanks to: The BBC – https://www.bbc.co.uk/programmes/m000crbc The Royal Institution – https://www.rigb.org/christmas-lectures/2019-secrets-and-lies Windfall Films – http://www.windfallfilms.com/show/1054/royal-institution-christmas-lectures.aspx Directed by David Coleman, produced by Laura Voak. Bonus footage filmed and edited by Matt Parker CORRECTIONS – Nothing yet. Let me…

MPMP: Can you play Scrabble over a video call?

From Standup Mathematician. You can enter the submittable part of the puzzle at https://www.think-maths.co.uk/maths-puzzles Everything about Vicki is on her website: https://www.vickipipe.co.uk/ Or go straight to the All The Stations channel! https://www.youtube.com/channel/UC7ttKX46nJxUeXZ0aoD4Q5g Get your own random quantum-noise numbers here: https://qrng.anu.edu.au/ These are my scrabble numbers. I have not double checked them, so please let me…

Why is the Apple Calendar so broken?

From Standup Mathematician. UPDATE: I’m hearing reports of calendar apps crashing quite severely. Please only experiment on non-vital apps as you could hypothetically lose data stored in them! But apparently if the app crashes and restarts don’t fix it: a forced restart will. Proceed with caution, at your own risk, and report any findings! Buy…

Why do people keep getting this wrong‽

From Standup Mathematician. UK tour show details will be updated here: http://standupmaths.com/shows/ Check out Christian Lawson-Perfect’s cash calculator: https://make-it-rain-bloomberg.glitch.me/ https://twitter.com/christianp/status/1236338871564226561 US edition of Humble Pi http://bit.ly/humblepi UK edition of Humble Pi https://www.penguin.co.uk/books/300/300640/humble-pi/9780141989143.html Sorry, Think Maths have not made any teacher resources for this video, but check out their resources for all my other videos here:…

Will a falling pencil hit the table? We do the maths!

From Standup Mathematician. Do check out Jane Street’s Real Numbers: https://www.janestreet.com/real-numbers Here is a scan of all the working out: https://www.dropbox.com/s/e0gg5bc891kny3t/pencil-maths.pdf?dl=0 We have a full break down of the working out for teachers: http://think-maths.co.uk/standupmaths-videos?yt-pencils#pencils There are Think Maths free resources for teachers for most of my videos! http://think-maths.co.uk/standupmaths-videos CAMERA ISSUE Yes we did lose the…

The Datasaurus Dozen

From Standup Mathematician. Pre-order Humble Pi in the USA here: http://bit.ly/humblepi Watch Adam Savage announce his first book club! https://www.youtube.com/watch?v=yr0M5a1eTW0 Huge thanks to Justin Matejka for taking the time to chat with me. They do some amazing work. Follow Justin on twitter! https://twitter.com/JustinMatejka Read all about Justin’s plot and the Datasaurus Dozen here: https://www.autodeskresearch.com/publications/samestats Check…