Go to https://establishedtitles.com/standupmaths and help support the channel. They are now running a Black Friday Sale, plus 10% off on any purchase with code standupmaths. Thanks to Established Titles for sponsoring this one, and only one, video!

I talk about the F-22 dateline problem in my book Humble Pi. But if you don't have a copy, here are two contemporary articles from when it happened in 2007: https://www.defenseindustrydaily.com/f22-squadron-shot-down-by-the-international-date-line-03087/ https://www.washingtonexaminer.com/weekly-standard/f-22-trips-over-international-date-line

Here is a completely unrelated video: https://youtu.be/9Sk2vH_rTGQ

Huge thanks to my Patreon supporters who funded the rest of the videos on my trip. They will be out soon! Support me and I swear we'll edit even faster: https://www.patreon.com/standupmaths

CORRECTIONS - None yet, let me know if you spot anything!

Filming and editing by Alex Genn-Bash Written and performed by Matt 'Edge Case' Parker Music by Howard Carter Design by Simon Wright and Adam Robinson

MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ US book: https://www.penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker/ UK book: https://mathsgear.co.uk/collections/books/products/humble-pi-signed-paperback