Is there a theory about infinity?

5 days ago ... We've seen Avengers: Infinity War, the culmination of 10 years and 18 Marvel movies. It's massive, it's epic, it's all the thing you expected (and a few you didn't – here's our review). But you know that, because you've seen it too, right? If not, and you plan to, then stop reading! Because below be spoilers. read more

Georg Cantor formalized many ideas related to infinity and infinite sets during the late 19th and early 20th centuries. In the theory he developed, there are infinite sets of different sizes (called cardinalities). For example, the set of integers is countably infinite, while the infinite set of real numbers is uncountable. read more

There are a lot of "Avengers" fan theories, and specifically, "Infinity War" fan theories. Let's look at the wildest ones. Warning: spoilers, obviously. read more