BIG SHOUT OUT TO THE SUPERFAN, CHESTER, who subscribed to my channel when I had less then 1k subs!!!!!!

It was so great to get to meet him during his time off! We also did some more math and interview videos on that day. Check them out here https://www…

In this video, as a nice sequel to the integral of square root dx video, I prove that Brownian motion W behaves like sqrt(dx) in the sense that if you integrate W^2, you get the same answer as if you integrated dx. A must see for math and analysis lovers…

Sand pendulums are an easy and beautiful method for students of all ages to learn a bit about the harmonic motion. These devices are easy to build and can be adjusted to give a variety of patterns. A pendulum that begins with two point of support can alter…

Chester, a US ARMY and a MATH SUPERFAN ( his channel https://youtu.be/VfN_3X_WnZk ),
showed me a way using complex numbers to find the exact value of sin(10 degrees) that I have never seen before! Btw, he subbed to my channel when I had less than 1k subs!!!!…

What is 7x8? This video teaches how you can use your hands to multiply two numbers between 6 and 10 using your fingers.

Here's the reason the method works: https://www.youtube.com/watch?v=eEao6-F7fz8

If you like my videos, you can support me at Patreon:…

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In this neat video, I’m connecting two unexpected worlds of linear algebra. Namely, I show that if T is a linear transformation with matrix A, then the matri...

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: https://bit.ly/Numberphile_Pod_Playlist

More Edmund…

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Programa de Doutorado: Topologia das Variedades - Aula 18 Inicio: 10h30 Professor: Vinicius Ramos Aulas anteriores: https://bit.ly/2ToLE0x Pré-requisito: Anál...

Programa de Doutorado: Dinâmica Hiperbólica - Aula 19 Inicio: 13h30 Professores: Marcelo Viana / Fernando Lenarduzzi Aulas anteriores: https://bit.ly/2J0NMXR ...

This problem stumped me! But it has a pretty nice solution. Thanks to all patrons! Special thanks this month to Kyle, Michael Anvari, Richard Ohnemus, Shrihari Puranik.

Source
Emailed to me about 2 years ago, traced to the Australian Intermediate Olympiad…

Exemplos mostram nossa dificuldade com o cálculo de possibilidades

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2nd Channel:
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In this video, the third part of the A^2 trilogy, I find all the matrices A with A^2 = I. Of course A = I and A = -I are solutions, but there are many others...