Visualizing quaternions (4d numbers) with stereographic projection

A tale of two problem solvers (Average cube shadows)

Thinking outside the 10-dimensional box

We Fell For The Oldest Lie On The Internet

How Imaginary Numbers Were Invented

Visualizing 4D Geometry - A Journey Into the 4th Dimension [Part 2]

HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?

How quaternions produce 3D rotation

How To Catch A Cheater With Math

From Newton’s method to Newton’s fractal (which Newton knew nothing about)

Hilbert's Curve: Is infinite math useful?

Euler's Formula Beyond Complex Numbers

Olympiad level counting (Generating functions)

Paradox of the Möbius Strip and Klein Bottle - A 4D Visualization

Something Strange Happens When You Follow Einstein's Math

But what is the Riemann zeta function? Visualizing analytic continuation

What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract

How To Count Past Infinity

The Strange Physics Principle That Shapes Reality

Who cares about topology? (Inscribed rectangle problem)

How One Line in the Oldest Math Text Hinted at Hidden Universes