In this episode, Matt is joined by acclaimed science writer Brian Clegg to explore the dazzling world of the multiverse. Brian unpacks the science and speculation behind one of physics’ most mind-bending ideas. Together, they discuss why the multiverse has captivated scientists and storytellers alike, the fine line between science and philosophy, and what it all means for our place in the cosmos. Brian Clegg is expanding our minds and what’s possible in his upcoming title The Multiverse: When One Universe Isn’t Enough (23rd October 2025).
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#320 - Andy Saunders - Gemini and Mercury remastered
Andy Saunders joins Matt to talk about his new book Gemini and Mercury Remastered. We dig into the forgotten missions that paved the way for Apollo, the astonishing images he’s restored from NASA’s archives, and the human dramas behind them from blown hatches to dangerous spacewalks.
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#319 Bubble Universe
Matt and Jamie dive headfirst into the cosmic foam to explore the Bubble Universe, the mind-bending idea that our universe might be just one of countless “bubbles” in a vast multiverse. From the physics of cosmic inflation and the mysteries of the cosmic microwave background, to the philosophical head-scratchers of infinite realities, they mix hard science, playful analogies, and a touch of pop culture chaos.
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#318 - Dr. Saralyn Mark - Space Health
Matt welcomes Dr. Saralyn Mark, a world-renowned leader in women's health, space medicine, and innovation in gender-specific design. Dr. Mark is an endocrinologist, geriatrician, and former Senior Policy Advisor at the White House Office of Science and Technology Policy. She’s advised organizations such as NASA and the Department of Health and Human Services, and is the founder of iGIANT, a groundbreaking nonprofit accelerating gender-specific innovation across sectors, from health to space exploration. Dr. Mark is also the author of the fascinating book, Stellar Medicine: A Journey Through the Universe of Women’s Health, and today we’ll be exploring how insights from space can transform human health here on Earth, the importance of gender in space exploration, and much more.
www.linktr.ee/Interplanetary
Hosts: Matt Russell
Music: Matt Russell / Iam7
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#317 - Roman Chiporukha - Space Tourism
Matt welcomes Roman Chiporukha, co-founder and CEO of SpaceVIP, the concierge service that books everything from zero-g airplane jaunts to orbital stays aboard the ISS. Episode 317 invites you to imagine your next vacation above the Kármán line—and weigh whether the price tag is worth the view. Strap in for a conversation that spans luxury, logistics, and the future of off-world adventure
Putting The Ace Back Into Space.
Host Matthew Russell's critically acclaimed fun and factual show about all things SPACE.
New episode every week with a deep dive into the latest hot space topics.
With regular Interviews and discussions with the worlds top space experts.
From how rockets fly to how blackholes work and everything in-between.
New Zealand