Do humans have limits? A mind-bending new documentary asks whether the world is infinite. But philosophers and scientists debate whether we will ever know the answer.
Mystery of infinity revealed in new film
Never-ending: Artist Yayoi Kusama uses mirrors to create the illusion of boundless space. Glossary
Inconsequential - Unimportant.
Christianity - A major world religion based on the teachings of Jesus Christ.
Philosophers - People who ask big questions about the meaning of life and how we should live.
Zeno of Elea - The founder of the Stoic school of philosophy.
Jonathan Swift - An Anglo-Irish satirist who wrote Gulliver's Travels.
Subatomic particles - The minuscule pieces of matter that make up atoms. Scientists have discovered 36 so far.
Astrophysicist - Scientists who try to understand the contents of the universe.