Pythagorean theorem
Concept
A fundamental geometric relationship (x^2 + y^2 = z^2) that was a starting point for discussions on number solutions.
Mentioned in 3 videos
Videos Mentioning Pythagorean theorem

Neal Stephenson: Sci-Fi, Space, Aliens, AI, VR & the Future of Humanity | Lex Fridman Podcast #240
Lex Fridman
A mathematical concept used as an example to illustrate how search engine results are now 'gamed' by marketing, unlike 20 years ago when direct information was easily accessible.

Jordan Ellenberg: Mathematics of High-Dimensional Shapes and Geometries | Lex Fridman Podcast #190
Lex Fridman
A fundamental relation in Euclidean geometry among the three sides of a right triangle.

What happens if you just keep squaring?
Veritasium
A fundamental geometric relationship (x^2 + y^2 = z^2) that was a starting point for discussions on number solutions.