To Infinity and Beyond!

In the animated movie Toy Story, a child’s toys come to life whenever he leaves the room or falls asleep. One character, a space ranger named Buzz Lightyear, shouts his signature catchphrase while demonstrating his ability to fly about the bedroom. “To infinity and beyond!”It’s a phrase that has confused many. Isn’t infinity as far as you can go? How can there be anything “beyond” infinity? Drawing on wisdom from ancient Greek philosophers, mathematician