

Still To Be Determined
Still TBD: Matt Ferrell and Sean Ferrell
Join Matt Ferrell from the YouTube Channel, Undecided, and his brother Sean Ferrell as they discuss electric vehicles, renewable energy, smart technologies, and how they impact our lives. Still TBD continues the conversation from the Undecided YouTube channel.
Episodes
Mentioned books

Jul 30, 2025 • 28min
275: Fusion Drilling for Geothermal Energy
Matt and Sean talk about Quaise, a geothermal energy company that’s pushing fusion tech into the ground. Literally.Watch the Undecided with Matt Ferrell episode, How Fusion Tech Just Changed Geothermal Energy Forever https://youtu.be/gO_LLqZfNdY?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(09:28) - - Quaise Discussion
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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Jul 24, 2025 • 24min
274: In Training - Regenerative “Braking” News
https://youtu.be/lI3EkZvx56wMatt and Sean talk about regenerative braking, and how it might power more than vehicles.Watch the Undecided with Matt Ferrell episode, The Most Overlooked Clean Energy Source… Is Under Your Feet https://youtu.be/Aubi3cK8Ym0?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(09:05) - - Regenerative Braking Discussion
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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Jul 16, 2025 • 30min
273: Waste Not, Want Not
https://youtu.be/GwGnCQE98s0Matt and Sean talk about using digestive waste (yes, it’s what you think it is) to increase sustainability. Yes, poo can be used to make better batteries.Watch the Undecided with Matt Ferrell episode, Why Manure and Urine Could Power the Future https://youtu.be/6TCmjSIj9Jw?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(07:22) - - Waste Product Discussion
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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Jul 2, 2025 • 26min
272: A Fungus Among Us
This conversation dives into the surprising versatility of mushrooms, exploring their potential roles in food, packaging, and even clothing. Can mycelium truly replace leather and other materials? The hosts weigh the pros and cons while addressing the urgency for sustainable innovation. They also touch on the captivating possibilities of mushroom-derived products, such as batteries, and highlight the need for a balanced view between optimism and skepticism in this burgeoning field. It's an enlightening and humorous look at fungi's impact on our future!

Jun 25, 2025 • 25min
271: Self-Repairing Solar Panels
https://youtu.be/qDQ3N51WYgQMatt and Sean talk about solar panels that imitate the self-repairing traits of plants. Might this tech take hold, or is it too far away from practical applications?Watch the Undecided with Matt Ferrell episode, Why This Might Be the Last Solar Panel You’ll Ever Need https://youtu.be/Lglick8bCPc?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(10:03) - - Self-healing Solar Panels Discussion
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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Jun 18, 2025 • 38min
270: Mini Machines, Major Impact - Polyfloss Brings Plastic Recycling Home
https://youtu.be/dRkqXHvU71oThe Polyfloss team is back with a game-changer: a mini plastic recycling machine small enough for your workshop. Matt reconnects with co-founders Audrey Gaulard, Émile De Visscher, and Christophe Machet to discuss how they're putting plastic recycling directly into people's hands - and why that matters.Previous Polyfloss interview:https://stilltbd.fm/episodes/158-fixing-our-plastic-problem-polyfloss-interview/(00:00) - - Intro
(05:07) - - Polyfloss Interview
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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Jun 11, 2025 • 50min
269: The Future of Thorium Nuclear Power - Copenhagen Atomics Interview
https://youtu.be/94r93XJ9BzAMatt had the chance to chat with Thomas Jam Pedersen from Copenhagen Atomics about their small modular thorium reactor that they’re bringing to the market. It’s an interesting conversation that covers everything from nuclear safety to why thorium may be a positive addition to the future of nuclear power.Watch the Undecided with Matt Ferrell episode, Why Thorium is About to Change the World https://youtu.be/bz4aTO6M4Ho?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro
(01:14) - - Copenhagen Atomics Interview
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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Jun 4, 2025 • 35min
268: Biocomputers - The Next Step for AI?
https://youtu.be/kAYdIpcDnZkToday is a very brainy conversation. Matt had the chance to chat with Dr. Kyle Wedgwood and research intern Wiktor Wiejak from University of Exeter in England. Wedgwood’s a mathematician specializing in neuroscience, and he’s using a computer from FinalSpark. Matt just put out a full video on what’s special about these computers, but in short, they’re alive. They’re made up of bundles of neurons, also known as organoids, and Dr. Wedgwood is using them to explore what he calls “the fundamentals” of how neurons work. Watch the Undecided with Matt Ferrell episode, Merging Humans and AI: The Rise of Biological Computers https://youtu.be/DfUkaE7HcnU?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro
(02:06) - - Dr Kyle Wedgwood & Wiktor Wiejak's Interview
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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May 28, 2025 • 33min
267: AI Undermining AI
https://youtu.be/jLEO9Gbba0kMatt and Sean talk about the scramble to develop AI that could undermine the very underpinnings of … well… everything. Don’t panic. (Yet.)Watch the Undecided with Matt Ferrell episode, Why the AI Revolution Has a Fatal Flaw https://youtu.be/hBfhd88DCZA?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(10:45) - - The AI Paradox Discussion
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcastGet in touch: https://undecidedmf.com/podcast-feedbackSupport the show: https://pod.fan/still-to-be-determinedFollow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmfUndecided with Matt Ferrell: https://www.youtube.com/undecidedmf
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7 snips
May 21, 2025 • 34min
266: Drinking Sea Water - Deep Ocean Desalination
Dive deep into the intriguing world of ocean desalination and its potential to tackle water shortages. Discover the fascinating transition of tech content creators focusing on sustainability and emerging technologies. Explore the implications of underwater technology, from submarine cables affecting marine life to innovative desalination methods. Engage with discussions on the balance between sustainable energy solutions and efficient freshwater production. It’s an enlightening journey through the future of water and technology!