Math

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 https://oeis.org/A064810  Numberphile

They say many students struggle with this question, and it is a common topic every year on standardized tests like the SAT. #shorts #math #maths #mathematics Hardest SAT Math Problems (updated for Digital SAT) Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider

Free audio book from Audible: http://www.audible.com/numberphile The book on Amazon: http://amzn.to/1fKe4Yo More links & stuff in full description below ↓↓↓ Author Simon Singh discusses mathematics in the TV show Futurama – specifically taxicab numbers and the great Ramanujan. This video features 1729 and 87539319 among its stars. More from Simon Singh at: About Brady’s mo…

This problem has over 40,000 likes on Reddit and is being covered by many websites. Klein read 30 pages of a book on Monday and 1/8 of the book on Tuesday. He completed the remaining 1/4 of the book on Wednesday. How many pages are there in the book? Sources A test problem on my

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: or https://apple.co/2HsUMKb James Grime website: https://www.singingbanana.com Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We

Question from Turkey Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the

Featuring Dr James Grime. More links below. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Ron Graham’s paper: http://www.math.ucsd.edu/~fan/ron/papers/75_02_hexagon.pdf James Grime: https://www.singingbanana.com His YouTube channel: https://www.youtube.com/user/singingbanana More James on Numberphile: http://bit.ly/grimevideos Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We

This is a very nice question from the Bangladesh Mathematical Olympiad 2022. Thanks to Khan and Siam for the suggestion! @preshtalwalkar this problem was in Bangladesh national math Olympiad 2022. pic.twitter.com/uVhZy8mFwb — Siam Ahmed (@Hello4948505152) December 18, 2022 Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply

Henry Segerman shows us shadows (and dust) from the fourth dimension! More links & stuff in full description below ↓↓↓ Dr Segerman is an assistant professor in the Department of Mathematics at Oklahoma State University. More Numberphile with him: http://bit.ly/Segerman_Videos Polytopes in the fourth dimension on Numberphile: https://youtu.be/2s4TqVAbfz4 Henry’s website: http://www.segerman.org (this includes his book,

The square of the hypotenuse of a right triangle is equal to the sum of the squares of its legs. This video shows a geometric proof based on rearranging triangles in a rectangle. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each site when I

4937775 is a Smith Number – as are 27, 666 and infinite others! More links & stuff in full description below ↓↓↓ Smith Numbers were first discovered in a phone book, explains Professor Ed Copeland from the University of Nottingham. Ed Tweets: https://twitter.com/ProfEdCopeland NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub

Edmund Harriss introduces a very cool tiling and talks about Tribonacci Numbers. More links & stuff in full description below ↓↓↓ Numberphile Podcast: https://www.numberphile.com/podcast Or on YouTube: http://bit.ly/Numberphile_Pod_Playlist More Edmund on Numberphile: http://bit.ly/Ed_Harriss_Playlist Ed Harriss is online at http://maxwelldemon.com and on Twitter at https://twitter.com/gelada Papers relating to this video… Nombres algébriques et substitutions: http://archive.numdam.org/item/BSMF_1982__110__147_0/ Algebraic

Thanks to Professor Henk Tijms for this puzzle suggestion! A few years ago I read a probability book by Henk Tijms and really enjoyed it. So I was both surprised and thrilled to get an email from Professor Tijms saying he’s a fan of MindYourDecisions! Today’s problem is adapted from his new book “Probability: A

Neil Sloane from the OEIS has another number sequence which escalates quickly. More links & stuff in full description below ↓↓↓ More videos with Neil Sloane: http://bit.ly/Sloane_Numberphile Levine’s sequence on the OEIS: https://oeis.org/A011784 Neil is the founder and keeper of the The On-Line Encyclopedia of Integer Sequences: https://oeis.org/ Numberphile Podcast: https://www.numberphile.com/podcast Unmade Podcast: https://www.unmade.fm/ Numberphile

We all know the area of a circle is pi times the radius squared. But where does that formula come from? Here is a visual animation that shows how a circle can be rearranged into a rectangle whose area is easy to calculate. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions

This is a nice little geometry problem. #math #maths #mathematics #shorts Source https://math.stackexchange.com/questions/4140582/what-fraction-of-the-hexagon-is-shaded Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate

OEIS founder Neil Sloane with more sequences to ponder – of course! Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More Neil Sloane videos: http://bit.ly/Sloane_Numberphile Visit the OEIS: https://oeis.org/ Today’s featured sequences: https://oeis.org/A008864 and https://oeis.org/A001043 Numberphile is supported by the Mathematical Sciences Research

Featuring Ben Sparks. See part 2 at https://youtu.be/l5gUrDg01cQ More links & stuff in full description below ↓↓↓ Ben Sparks Numberphile playlist: http://bit.ly/Sparks_Playlist Ben on the Numberphile Podcast: https://youtu.be/-tGni9ObJWk Ben’s website: https://www.bensparks.co.uk Ben’s own YouTube channel: https://www.youtube.com/channel/UCNS_GTzkj_-qUoNAGaSX5jA Various cakes and cutting videos: https://youtube.com/playlist?list=PLt5AfwLFPxWKusrFky50yUbNDuUrxLWNz Bertrand’s Paradox: https://youtu.be/mZBwsm6B280 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI):

The equation 6171 = 101 is written in dots, and you have to remove 3 dots to make the two sides equal. How can you do it? Hint: you won’t believe it! Thanks to Adam! #Shorts Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I

Featuring Johnny Ball… And see more about the egg formula at https://youtu.be/tjyFw1BX4eM More links about Johnny & stuff in full description below ↓↓↓ Johnny Ball website (with links to shows and other info): https://johnnyball.co.uk Johnny Ball books on Amazon: https://amzn.to/3uMxB67 More Johnny Ball on Numberphile: https://bit.ly/Johnny_Ball See the extra video with Val Narushin on the

How many did you get correct? #shorts #math #maths #mathematics Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from

Solve for the missing angle between parallel lines. #math #maths #mathematics #shorts [Turkish YOS exam/high school geometry] Guys how did is it A I really need help byu/shrugs- inHomeworkHelp Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase

Featuring Tadashi Tokieda. More Tadashi videos: http://bit.ly/tadashi_vids Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Editing

A rectangle is cut by two circles. You don’t know the distances of the chords of the circles, but you know five of the remaining distances. The right hand side has lengths 8, 26, 22, and the left hand side is 12, 24, and x. Solve for x. #math #maths #mathematics #shorts (I fixed a

Using a kamifusen (a Japanese paper balloon). Featuring Tadashi Tokieda. More Tadashi videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Objectivity (videos by Brady about science objects): http://bit.ly/Objectivity Discuss this episode on reddit: https://redd.it/7dkb81 Buy a paper balloon like this on amazon: http://amzn.to/2ASTUsR Or check out this groovy planet one: http://amzn.to/2zOq3BV Numberphile

Randomness expert (and former magician) Persi Diaconis on whether it is best to catch a coin or let it fall to the ground. More links & stuff in full description below ↓↓↓ Main video: http://youtu.be/AYnJv68T3MM Extra footage: http://youtu.be/9RKKoXw7wJw Superbowl coin tosses: http://youtu.be/bFfSfzjhfC8 Support us on Patreon: http://www.patreon.com/numberphile NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile

Thanks to Michael for the suggestion! #math #maths #mathematics #shorts Adapted from “536 Puzzles & Curious Problems” by Henry Ernest Dudeney, puzzle 237 Mudbury War Memorial. https://proofwiki.org/wiki/Henry_Ernest_Dudeney/Puzzles_and_Curious_Problems/237_-_The_Mudbury_War_Memorial/Solution Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these

What number is the “most favourite”? We analyse your comments. More links & stuff in full description below ↓↓↓ Here’s the original video (and its comments): http://www.youtube.com/watch?v=ygqIfLHGTu4 NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Patreon: http://www.patreon.com/numberphile Brady’s videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady’s latest videos across all channels:

Move exactly 3 matchsticks to make the two sides equal. #shorts #puzzle Source https://matchstickpuzzles.blogspot.com/2021/05/631-mathematical-4-plus-0-is-not-0.html Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon

The Big Bang Theory TV is now part of math history: there’s a theorem named after Sheldon. Sources Siouxland News article https://siouxlandnews.com/news/local/morningside-college-professors-math-appearing-in-the-big-bang-theory 73 is the best number – Big Bang Theory clip Proof of the Sheldon conjecture https://math.dartmouth.edu/~carlp/sheldon02132019.pdf 73 is the best number (other properties) Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Playlist to watch all videos on MindYourDecisions: https://www.youtube.com/playlist?list=UUHnj59g7jezwTy5GeL8EA_g