Season 2

Infinite Series

The Assassin Puzzle

Can you save the target from his assassin in a square room with bouncy walls?

The Assassin Puzzle

Infinite Series

Instant Insanity Puzzle

Can you stack four colored cubes so that each color only shows once on each side?

Instant Insanity Puzzle

Infinite Series

Defining Infinity

Set theory is the foundation of all of mathematics. How does it handle infinity?

Defining Infinity

Infinite Series

Unraveling DNA with Rational Tangles

When you think about math, what do you think of knots? Probably... knot.

Unraveling DNA with Rational Tangles

Infinite Series

How Big are All Infinities Combined? (Cantor's Paradox)

Infinities come in different sizes. So what's the right way to describe the sum?

How Big are All Infinities Combined? (Cantor's Paradox)

Infinite Series

The Geometry of SET

In SET, what is the maximum number of cards you can deal that might not contain a SET?

The Geometry of SET

Infinite Series

What was Fermat’s “Marvelous" Proof?

If Fermat had a little more room in his margin, what proof would he have written there?

What was Fermat’s “Marvelous" Proof?

Infinite Series

In the physical world, objects are made of simpler parts. What are numbers made of?

Infinite Series

What Does It Mean to Be a Number? (The Peano Axioms)

Could you explain numbers to someone without using the notion of a number?

What Does It Mean to Be a Number? (The Peano Axioms)

Infinite Series

Telling Time on a Torus

What shape do you most associate with a standard analog clock? Circle or... torus?

Telling Time on a Torus

Infinite Series

How to Divide by "Zero"

What happens when you divide things that aren’t numbers?

How to Divide by "Zero"

Infinite Series

Beyond the Golden Ratio

You know the Golden Ratio, but what is the Silver Ratio?

Beyond the Golden Ratio

Infinite Series

Proving Brouwer's Fixed Point Theorem

The proof for Brouwer's Fixed Point Theorem uses a bridge between geometry and algebra.

Proving Brouwer's Fixed Point Theorem

Infinite Series

The Mathematics of Diffie-Hellman Key Exchange

How can two people share the same key without someone else getting a hold of it?

The Mathematics of Diffie-Hellman Key Exchange

Infinite Series

Topology vs "a" Topology

What exactly is a topological space?

Topology vs "a" Topology

Infinite Series

This Video was Not Encrypted with RSA

Here we break down Asymmetric crypto and more.

This Video was Not Encrypted with RSA

Infinite Series

Associahedra: The Shapes of Multiplication

What happens when you multiply shapes?

Associahedra: The Shapes of Multiplication

Infinite Series

The Multiplication Multiverse

What happens if you multiply things that aren’t numbers?