

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

Apr 1, 2026 • 1h 12min
301: Talking Donuts & Batteries with Ricky Roy and Ryan Inis Hughes
https://youtu.be/HicyIaKqRgkMatt talks with Two Bit Da Vinci and Ziroth about Donut Lab’s new battery, the controversy around it, and what they think it actually might be.Watch the Undecided with Matt Ferrell episode, The Breakthroughs My Net Zero Home is Missing https://youtu.be/hb2x5VcUT0I?list=PLnTSM-ORSgi7FwYRnWkpCSkAeFOzrgh5h(00:00) - - Intro
(01:46) - - Donut Lab Conversation
(01:01:40) - - Home Regrets 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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Mar 25, 2026 • 28min
300: Tasty, Solid State Donuts
https://youtu.be/f67J9QO5LPYMatt and Sean talk about Donut Lab's solid state batteries, connecting with other YouTubers, and your questions. Watch the Undecided with Matt Ferrell episode, Why Everyone's Wrong About This Solid-State Battery https://youtu.be/C8ljwigh9jA?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(14:26) - - Donut Labs Solid State Battery 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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Mar 18, 2026 • 1h 2min
299: Making Connections with Alec Watson
Alec Watson, creator of Technology Connections who makes deep, explanatory videos about everyday tech, appliances, and clean tech. He unpacks why dishwashers and detergent pods frustrate consumers. He traces how tinkering led to long-form tech explainers. He dives into renewable energy, rooftop solar tradeoffs, virtual power plants, and spotting tech that tricks people.

Mar 11, 2026 • 24min
298: Why Waiting for Better Solar Costs You More
https://youtu.be/lnu76C5Qd68Matt and Sean talk about whether it’s a good idea or not to wait for next gen solar technology, or just pull the trigger and get what’s available today.Watch the Undecided with Matt Ferrell episode, Why Waiting for Better Solar Costs You More https://youtu.be/w2r9_0NxTW8?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(13:19) - - To Perovskite or Not Perovskite 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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Mar 4, 2026 • 50min
297: Heat Pump Comparison & Paul Braren Interview
https://youtu.be/v1o7RY43K-EMatt and Sean talk about heat pump comparisons, and a full long-form discussion with Paul Braren from TinkerTry.comWatch the Undecided with Matt Ferrell episode, Did I Get the Wrong Heat Pump: Geothermal vs Air Source https://youtu.be/CPwQTUaU-jI?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQA couple of posts about our heat pump comparison on TinkerTry.com:https://tinkertry.com/planning-for-heat-pump-comforthttps://tinkertry.com/geothermal-vs-air-source-heat-pumps-feat-undecided-and-tinkertry(00:00) - - Intro
(02:35) - - Undecided Feedback
(09:23) - - Paul Braren 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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Feb 25, 2026 • 21min
296: Flywheels! Getting All Spun Up
https://youtu.be/HHX1K-nV8OkMatt and Sean talk about flywheels, mechanical energy storage, and something unexpected that flew out of the comments.Two Bit Davinci video about the flywheel bus: https://youtu.be/LHyUDihL_FQ?si=xVp7qfUP82jm6wQlWatch the Undecided with Matt Ferrell episode, How 40-Ton Spinning Wheels Are Saving The Power Grid https://youtu.be/Z95t-f-0IjI?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(08:04) - - Flywheels Discussion
(13:56) - - A Surprise Conversation
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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Feb 18, 2026 • 30min
295: Why Aluminum Batteries?
They debate aluminum as an alternative battery chemistry and why its fast-response traits suit grid stability and EV charging stations. They unpack what actually fuels battery fires and caution against oversimplified safety claims. Listeners share DIY solar and home energy experiences while the hosts weigh difficulty and when to call a pro.

Feb 11, 2026 • 42min
294: Heat Pump: Scams?
https://youtu.be/9M5cISgMNMMMatt and Sean get pumped talking about 3D Printing, Heat Pumps, and your comments.Watch the Undecided with Matt Ferrell episode, Are Heat Pumps a Scam? https://youtu.be/K2c6Rucbi84?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(25:58) - - Heat Pumps 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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Feb 4, 2026 • 39min
293: Sodium Battery Fade
https://youtu.be/BQoniKPE8NwMatt and Sean talk about sodium batteries, why lithium prices are falling, and your comments.Watch the Undecided with Matt Ferrell episode, The 90% Price Crash That Changed Everything https://youtu.be/nrTCgZmUFCY?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(14:39) - - Sodium Batteries 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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Jan 28, 2026 • 31min
292: Move Over Perovskite - There’s a New Solar Kid in Town
https://youtu.be/3fntze01h_kMatt and Sean talk about a new material we might see in solar panels, and Matt’s invasion on Hank Green.Watch the Undecided with Matt Ferrell episode, Why This Solar Breakthrough Matters More Than Perovskite https://youtu.be/F_OPrOpccJs?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ(00:00) - - Intro & Feedback
(16:23) - - Kesterite 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
★ Support this podcast ★


