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Telling Time on a Torus

Telling Time on a Torus

Season 2 Episode 10
7:17
What Does It Mean to Be a Number? (The Peano Axioms)

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

Season 2 Episode 11
9:35
What are Numbers Made of?

What are Numbers Made of?

Season 2 Episode 12
10:07
What was Fermat’s “Marvelous" Proof?

What was Fermat’s “Marvelous" Proof?

Season 2 Episode 13
10:50
The Geometry of SET

The Geometry of SET

Season 2 Episode 14
10:21
How Big are All Infinities Combined? (Cantor's Paradox)

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

Season 2 Episode 15
13:02
Unraveling DNA with Rational Tangles

Unraveling DNA with Rational Tangles

Season 2 Episode 16
9:36
Defining Infinity

Defining Infinity

Season 2 Episode 17
10:31
Instant Insanity Puzzle

Instant Insanity Puzzle

Season 2 Episode 18
9:32
The Assassin Puzzle

The Assassin Puzzle

Season 2 Episode 19
9:12
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Infinite Series

How to Divide by "Zero"

Season 2 Episode 9

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