Infinity

Does Infinity Really Exist?

Does Infinity Really Exist?

Our universe appears to be bound by a finite set of laws, yet we often talk about things that go on for an eternity. “Infinity” is a strange idea. But it’s crucial if you want to understand anything from philosophy to mathematics. Here’s why.

The Sum Of 1 + 2 + 3 + 4 + 5 + … Until Infinity Is Somehow -1/12

The Sum Of 1 + 2 + 3 + 4 + 5 + … Until Infinity Is Somehow -1/12

Here’s a fun little brain wrinkle pinch for all you non-maths people out there (that should be everyone in the world*): the sum of all natural numbers, from one to infinity, is not a ridiculously big number like you would expect but actually just -1/12. Yes, the sum of every…