The concept of function
The concept of infinity
The man who turned paper into pixels
"It was the change that no-one saw coming: the idea that we could take a book, a painting or a song and send it through cables and wires and even thin air to the other end of the world - and it would be identical on the other side. But this idea underpins everything about the Information Age we live in.
How did we make such a mind bending transition into the digital world? And how does it work? It turns out it's all based on a concept that is surprisingly beautiful in its simplicity. This short video essay explores what that idea is and tells you about the man who figured it all out."
Fermat's Last Theorem
Geometric solutions of polynomial equations
- Real numbers - some history
- Real numbers - a logical development
- Our Playground: The Real Numbers and Their Development Wikiversity
The relationship between Astronomy and Trigonometry