Add Yahoo as a preferred source to see more of our stories on Google. Here’s a mind-blowing experiment that you can try at home: Gather some children’s blocks and place them on a table. Take one block ...

NOVA: How do mathematicians define infinity? Netz: Something which is equal to some of its parts. That's really the technical definition. NOVA: Is there a difference between the mathematical concept ...

When mathematician Georg Cantor first glimpsed the true nature of infinity, it changed mathematics forever. He demonstrated that infinity isn’t just endless—it exists in different sizes, each opening ...