Infinity is a concept that refers to something that grows without bound. But, is there any definitive explanation of how big can it grow? In this TED-Ed video, Dennis Wildfogel explores the mind-bending concept of the “infinity of infinities” and explains how it led mathematicians to conclude that math itself contains unanswerable questions.

THIS IS COOL. I WANT TO LEARN SOMETHING ELSE, TOO!

Video via – TED-Ed
Further Readings and References @ Infinity (Wikipedia), Skulls in the Stars, Stack Exchange