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All Seasons

Season 1

  • S01E01 What is String Theory?

    • January 1, 2020

    Professor Geraint Lewis, astrophysicist at University of Sydney, takes up the challenge to explain a proposed theory of everything in the time it takes to ride an elevator from ground floor to penthouse.

  • S01E02 What is Blockchain?

    • January 1, 2020

    Bitcoin and Blockchain. You've heard of them. But what do the words actually mean? Can you define blockchain? We've challenged a computer science expert to do just that, in the time it takes to ride an elevator.

  • S01E03 What Came Before the Big Bang?

    • January 1, 2020

    What happened before the big bang? How can something come from nothing? We've challenged a physicist to explain the origins of our universe in one elevator ride. Good luck Dr Julian Berengut, from University of NSW.

Season 2

  • S02E01 What's the Opposite of Infinity?

    What is infinity? What's the opposite of infinity? Mathematician Dr Sophie Calabretto tries to explain it in three minutes.

  • S02E02 How are Memories Created?

    Memory is crucial to survival. But do we even know, what memory is? Rad challenges neuroscientist, Dr Yee Lian Chew, to explain in an elevator ride.

  • S02E03 What is Consciousness?

    How does our brain shape our entire perspective of the world? Neuroscientist, Dr Sarah McKay, does her best to explain in an elevator ride.

  • S02E04 What's Reality In the Quantum World

    Like most of us, Rad Yeo finds quantum physics pretty difficult to wrap her head around. So she's invited quantum engineer Dr Andrea Morello to demystify the topic and explain how it affects us, in this elevator pitch.

  • S02E05 Will The Universe Expand Forever?

    Our universe has been expanding ever since it was created. But what's causing this, and will it continue forever? Rad Yeo challenges astrophysicist Professor Tara Murphy to tackle this cosmic question in this elevator ride.

  • S02E06 Why's Time Different In Space

    Why do astronauts on the International Space Station age more slowly than us here on the ground? Rad Yeo gives astrophysicist Dr Devika Kamath two Earth minutes to untangle the science.