Impossible Squares – Numberphile

From Numberphile. Ben Sparks shows us a simple problem that takes some fascinating twists. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More videos with Ben Sparks: http://bit.ly/Sparks_Playlist Ben’s website: https://www.bensparks.co.uk Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We…

Mathematics and Coronavirus – Numberphile

From Numberphile. Featuring Kit Yates… The longer podcast version: https://youtu.be/5OPaDnJ3tm8 Or here: https://www.numberphile.com/podcast/kit-yeates-coronavirus or on your podcast player! More links & stuff in full description below ↓↓↓ Support our videos and podcasts on Patreon: Patreon: http://www.patreon.com/numberphile Kit Yates website – https://kityates.com Kit on Twitter – https://twitter.com/Kit_Yates_Maths The Royal Society’s call to arms for mathematicians –…

The Coronavirus Curve – Numberphile

From Numberphile. Ben Sparks explains (and codes) the so-called SIR Model being used to predict the spread of cornavirus (COVID-19). More links & stuff in full description below ↓↓↓ National Health Service (UK) advice on Coronavirus: https://www.nhs.uk/conditions/coronavirus-covid-19/ Ben Sparks: https://www.bensparks.co.uk Use the Geogebra file Ben created for this video: https://www.geogebra.org/m/nbjfjtpv Another good file courtesy of…

Mesolabe Compass and Square Roots – Numberphile

From Numberphile. Johnny Ball on the "often missed" Hippocrates of Chios. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More on Johnny Ball, including his books and live shows: https://www.johnnyball.co.uk See Johnny discuss Russian multiplication: https://youtu.be/HJ_PP5rqLg0 Numberphile is supported by the Mathematical Sciences…

Random Fibonacci Numbers – Numberphile

From Numberphile. Dr James Grime on random Fibonacci Sequences… Extra footage: https://youtu.be/F0C4U7Q5yXU More links & stuff in full description below ↓↓↓ Fibonacci Numbers in the Mandelbrot Set: https://youtu.be/4LQvjSf6SSw More James Grime videos: http://bit.ly/grimevideos Our podcast interview with James Grime: https://youtu.be/9gQzkKifd3U or https://apple.co/2HsUMKb James Grime website: https://www.singingbanana.com Numberphile is supported by the Mathematical Sciences Research Institute…

Strings and Loops within Pi – Numberphile

From Numberphile. Tom Crawford from Oxford University looks at self-locating strings and interesting loops. Get a Piece of Pi: https://www.patreon.com/posts/piece-of-pi-for-33529079 More links & stuff in full description below ↓↓↓ More of Tom on Numberphile: http://bit.ly/TomPlaylist See our Pi Playlist: http://bit.ly/PiPlaylist Tom’s website: https://tomrocksmaths.com The Pi Search Page: https://www.angio.net/pi/ OEIS sequences and pages of interest: https://oeis.org/A057680…

Tentacles Akimbo (with Cliff Stoll) – Numberphile

From Numberphile. Cliff Stoll and glass-blown topology – interview continues at https://youtu.be/Iv71QEId4ck — We’re uploading Cliff videos like this for the next three Sundays. (with other stuff during the week!) More links & stuff in full description below ↓↓↓ More videos with Cliff: http://bit.ly/Cliff_Videos Cliff Stoll’s Klein Bottle business: https://www.kleinbottle.com Our thanks to glass blower…

Pentagons and the Golden Ratio – Numberphile

From Numberphile. Continuing on from Zvezda’s previous video about Ptolemey’s Theorem (see: https://youtu.be/bJOuzqu3MUQ) now we use it to prove some cool stuff with pentagons and equilateral triangles. More links & stuff in full description below ↓↓↓ Zvezda’s Numberphile playlist: http://bit.ly/zvezda_videos Zvezda’s webpage: https://math.berkeley.edu/~stankova/ Golden Ratio: https://youtu.be/sj8Sg8qnjOg Epic Circles: https://youtu.be/sG_6nlMZ8f4 Triangle Magic Highway: https://youtu.be/wVH4MS6v23U Numberphile is…

A Miraculous Proof (Ptolemy’s Theorem) – Numberphile

From Numberphile. Featuring Zvezdelina Stankova… Want more? Part 2 (bringing in Pentagons and the Golden Ratio) is at: https://youtu.be/o3QBgkQi_HA More links & stuff in full description below ↓↓↓ Zvezda’s Numberphile playlist: http://bit.ly/zvezda_videos Zvezda’s webpage: https://math.berkeley.edu/~stankova/ Epic Circles: https://youtu.be/sG_6nlMZ8f4 Triangle Magic Highway: https://youtu.be/wVH4MS6v23U Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are…

Russian Multiplication – Numberphile

From Numberphile. Johnny Ball on Russian and Egyptian Multiplication. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More on Johnny Ball, including his books and live shows: https://www.johnnyball.co.uk Russian multiplication is also known as Ethiopian multiplication. Why Use Binary? (on Computerphile) – https://youtu.be/thrx3SBEpL8…

Superhero Triangles – Numberphile

From Numberphile. Heronian triangles and other fascinating things, featuring Dr James Grime. Get your Superhero Triangle T-Shirt and other stuff: http://bit.ly/Super_Tri More links & stuff in full description below ↓↓↓ More videos with Dr Grime: http://bit.ly/grimevideos Dr James Grime: https://www.singingbanana.com PAPERS: A unique pair of triangles – https://arxiv.org/abs/1809.09936 Heronian Triangles Whose Areas Are Integer Multiples…

A Prime Surprise (Mertens Conjecture) – Numberphile

From Numberphile. Dr Holly Krieger discusses Merterns’ Conjecture. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More videos with Holly (playlist): http://bit.ly/HollyKrieger Dr Holly Krieger is the Corfield Lecturer at the University of Cambridge and a Fellow at Murray Edwards College: https://www.dpmms.cam.ac.uk/~hk439/ On…

Colouring Numbers – Numberphile

From Numberphile. Fields Medallist Sir Timothy Gowers discusses Van der Waerden’s theorem. Interview continues on Numberphile2 at: https://youtu.be/hHIfJcwipAY More links & stuff in full description below ↓↓↓ Timothy Gowers website: https://gowers.wordpress.com And his Twitter: https://twitter.com/wtgowers Podcast with Timothy Gowers: https://youtu.be/Pxsac9ZM9us The Fields Medal (with Cédric Villani): https://youtu.be/Vp3sgYKULp0 Numberphile is supported by the Mathematical Sciences Research…