Mathematicians have long categorized infinities into a hierarchy where some infinities are larger than others. For example, ...

There's always an ever larger number, right? Well, no and yes. Mathematicians tell us that any infinite set—anything with an infinite number of things in it—is defined as something that we can ...

For example, one infinity—the one most people are familiar with—is an infinite set of natural numbers: 1, 2, 3, and so on. However, there’s also an infinite set of real numbers, which ...

An infinite number more, in fact ... possibilities known as pointer states might be a little more stubbornly set than others, ...