The Boltzmann Brains

The Boltzmann Brains

Hi all. We’re Sam and Eric - the Boltzmann Brains! (Is that a thing? You bet it is! We’ll eventually do an episode to explain it.) Sam is a philosopher. Eric is a physicist. And we both love popular culture. We’ll talk about science, philosophy, how we’ve lived it, and how it all shows up through the lens of television and movies. Got a topic you’d like to hear the experts talk about? You can email us at theBbrains@gmail.com You can also find us on YouTube at https://www.youtube.com/@BoltzmannBrainsPodcast

Episodes

June 10, 2026 38 mins

The universe we can see is big … really big. But what if it’s just a tiny piece of something way, way, way bigger?

In this episode, Eric teaches Sam about the evidence for this bizarre possibility. If we can’t even see 99 percent of the universe, how can we know it’s there? Can science really draw useful conclusions about something we can’t observe now and won’t be able to observe in the future? ...

Listen
Watch
Mark as Played

In this episode Sam takes the lead to discuss two of his favorite "paradoxes" from probability.

The Monty Hall problem is a much-discussed challenge concerning the best strategy to win a car on a game show.

The Sleeping Beauty problem describes a situation philosophers can’t seem to agree about, even today.

Got a topic you’d like to hear us talk about? You can email us at theBbrains@gmail.com

You can also find us on YouTube...

Listen
Watch
Mark as Played
May 24, 2026 41 mins

In this episode Sam and Eric discuss the evidence that our universe began about 14 billion years ago in a very hot, dense state, then gradually expanded and cooled. As late as 1920, Einstein thought this idea was obviously nonsense. Fifty years later, it was rock-solid science.

Is the Big Bang Theory testable? After all, we can't grow a universe in a lab. How can scientists do their job in a situation where traditional experiments a...

Listen
Watch
Mark as Played

In middle school, most of us were taught the "scientific method" – a simplified list of steps meant to help kids understand how scientists approach the world. But how accurate is it, really? In this episode, we get to talking about the history of science, and discuss how the reality of scientific research stacks up against the famous "method".

First, we discuss Galileo - the first person we know who took a telescope and asked,...

Listen
Watch
Mark as Played
April 15, 2026 47 mins

In this episode, Eric starts us off with an oldie but a goodie: In a Star Trek episode from 1989, Commander Data (an android) is put on trial by the Federation for refusing to be disassembled. Is Data just a man-made appliance, or is he a new kind of intelligent life, entitled to the right of self-determination?

Next, Sam lays out some philosophical background on the twin questions of consciousness and rights. Can something seem to ...

Listen
Watch
Mark as Played
March 17, 2026 35 mins

BBrains pod: Is Philosophy Useful?

Hi all! We’re Sam and Eric - the Boltzmann Brains. Sam is a philosopher, so of course he thinks philosophy is super-useful. But Eric has seen philosophers drift into irrelevance more than once, so maybe not? We're going to argue it out. 

At least, that was the plan, until Sam immediately agreed that philosophy had some pretty profound limits.

So, why pursue philosophy at all?? What IS the ...

Listen
Watch
Mark as Played
March 6, 2026 44 mins

Hi all! We’re Sam and Eric - the Boltzmann Brains. Today we’re doing dueling TV shows! Sam is a philosopher who loves The Good Place. Eric is a physicist who loves The Big Bang Theory. We’re going to discuss whether these shows look anything like reality. We’ll give both shows a grade (we used to be professors, after all), and along the way we’ll address such pressing questions as:

Is moral philosophy a...

Listen
Watch
Mark as Played

Popular Podcasts

    Joy is essential. And it's also elusive. You can't order it, borrow it, or simply hope it into life. But now, there's a new and exciting way to start your journey toward a more joyful existence: The Joy 101 Podcast with Hoda! Best known for her Emmy-winning work and co-anchoring Today, Hoda Kotb infuses her authenticity, curiosity, and warmth into conversations with the world’s most fascinating people. Entertainment legends, sport icons, wellness experts, and everyday folks will share how they find, allow, and experience joy. Hoda will offer her own tips and takes on seeking a more balanced, harmonious life. If you're craving inspiration, support, and useful tools to maximize your joy, tune in to these candid, uplifting, and moving on-air chats. Joy after a breakup, joy as an empty-nester, joy after loss, joy as a caretaker — Hoda's new podcast will speak to you. Joy 101 with Hoda Kotb, an iHeartPodcast.

    Stuff You Should Know

    If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.

    Dateline NBC

    Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

    Hey Jonas!

    Hey Jonas! The official Jonas Brothers podcast. Hosted by Kevin, Joe, and Nick Jonas. It’s the Jonas Brothers you know... musicians, actors, and well, yes, brothers. Now, they’re sharing another side of themselves in the playful, intimate, and irreverent way only they can. Spend time with the Jonas Brothers here and stay a little bit longer for deep conversations like never before.

    Betrayal Weekly

    Betrayal Weekly is back for a new season. Every Thursday, Betrayal Weekly shares first-hand accounts of broken trust, shocking deceptions, and the trail of destruction they leave behind. Hosted by Andrea Gunning, this weekly ongoing series digs into real-life stories of betrayal and the aftermath. From stories of double lives to dark discoveries, these are cautionary tales and accounts of resilience against all odds. From the producers of the critically acclaimed Betrayal series, Betrayal Weekly drops new episodes every Thursday. If you would like to share your story, you can reach out to the Betrayal Team by emailing them at betrayalpod@gmail.com and follow us on Instagram at @betrayalpod and @glasspodcasts. Please join our Substack for additional exclusive content, curated book recommendations, and community discussions. Sign up FREE by clicking this link Beyond Betrayal Substack. Join our community dedicated to truth, resilience, and healing. Your voice matters! Be a part of our Betrayal journey on Substack.

Advertise With Us
Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2026 iHeartMedia, Inc.

  • Help
  • Privacy Policy
  • Terms of Use
  • AdChoicesAd Choices