---
title: How big is infinity? — HIGH T3CH
url: https://hight3ch.com/how-big-is-infinity/
date: 2015-04-05
---

# How big is infinity?

Using the fundamentals of set theory, explore the mind-bending concept of the “infinity of infinities” — and how it led mathematicians to conclude that math itself contains unanswerable questions.

via TED Ed