Still To Be Determined
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. Hosted on Acast. See acast.com/privacy for more information.
Episodes
Perovskite solar has promised a revolution for over a decade, so is it finally real? Matt and Sean talk with Joel Jean, co-founder and CEO of Swift Solar, the US startup spun out of MIT and Stanford. Joel explains how stacking a perovskite film on top of silicon lifts a solar cell's efficiency ceiling from 30 percent to about 45 percent. He also breaks down the three "tooth fairies" every new solar technology has to solve: performa...
Most smart homes hand your house to Big Tech. Home Assistant is proof they don't have to.
Matt and Sean sit down with Paulus Schoutsen, the software engineer who started Home Assistant, the largest open-source smart home platform in the world, now running in over 2 million homes. It runs locally, it keeps your data inside your house, and it doesn't stop working the day a company decides to shut off its servers. We get into why P...
The inventor of the Super Soaker, Dr. Lonnie Johnson, joins Matt to talk about his most ambitious project yet: the JTEC, a heat engine with no moving parts that converts low-grade waste heat straight into electricity. They get into how it actually works, why Johnson thinks it could run far more efficiently than what we use today, and the long road from a 2003 idea to the first commercial unit. Plus how a billion-dollar water gun qu...
Matt sat down with Jorge Diaz Schneider, CEO of Ion Storage Systems, to talk about their anode-less, ceramic-based solid-state battery that doesn't swell or need pressure to work. We get into why they're chasing consumer electronics instead of EVs, the new continuous manufacturing line they just fired up, and why so many solid-state startups have over-promised and flamed out. It's an honest look at where this technology really stan...
Matt and Sean talk to Dave Borlace from the YouTube channel, Just Have a Think, to discuss the current state of the renewable energy transition in the UK and the US.
Dave’s YouTube channel: https://www.youtube.com/@JustHaveaThink
Chapters:
- 00:00: Intro
- 01:47: Dave Borlace Interview
- 59:15: Previous Still TBD Episode Feedback
- 01:02:44: Undecided Episode Feedback
Watch on YouTube: https://www.youtube.com/watch?v=0bw2IU73RG4
Matt and Sean talk to Zack Nelson of JerryRiggedEverything about building a new wheelchair manufacturing business, solar DIY, and the history and future of his Youtube channel.
Chapters:
- 00:00 - Intro
- 02:08 - Zach Nelson Interview
- 37:32 - Supercritical CO2 Turbines Discussion
Watch on YouTube: https://www.youtube.com/watch?v=quA0gBAFEQk
Support the show directly: https://stilltbd.fm/join/
Audio version of the podcast: https://sti...
Matt and Sean talk to Karl Rábago about the internetification of the electrical grid, and what it means for the future of owning solar panels and energy.
- 00:00 - Intro
- 11:26 - Karl Rábago Interview
Support the show directly: https://stilltbd.fm/join/
Audio version of the podcast: https://stilltbd.fm
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast
YouTube membership: https://www.youtube.com/channel/UC4-aW...
https://youtu.be/nR8qn3cD1jQ
Matt and Sean talk to Nona Yehia (Vertical Harvest) about vertical farming, technological “growth”, and the future of food.
Watch the Undecided with Matt Ferrell episode, Why This Vertical Farm is 500x More Efficient Than Farming https://youtu.be/8sOEB2m0m9Y?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ
- (00:00) - - Intro
- (00:45) - - Nona Yehia Interview
- (37:50) - - Vertical Harvest Feedback
https://youtu.be/HicyIaKqRgk
Matt 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
https://youtu.be/f67J9QO5LPY
Matt 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
https://youtu.be/ve_k8pNY1sQ
Matt and Sean talk with Alec Watson (TechnologyConnections) about future tech, current trends and dead ends, and why dishwashers are so fascinating.
- (00:00) -
- (00:00) - - Intro
- (02:36) - - TechnologyConnections Interview
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast
Get in touch: https://undecidedmf.com/podcast-feedback
Support the show: https://pod.fan/still-to-be-deter...
https://youtu.be/lnu76C5Qd68
Matt 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 Disc...
https://youtu.be/v1o7RY43K-E
Matt and Sean talk about heat pump comparisons, and a full long-form discussion with Paul Braren from TinkerTry.com
Watch the Undecided with Matt Ferrell episode, Did I Get the Wrong Heat Pump: Geothermal vs Air Source https://youtu.be/CPwQTUaU-jI?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ
A couple of posts about our heat pump comparison on TinkerTry.com:
https://tinkertry.com/planning-for-heat-pump-comfor...
https://youtu.be/HHX1K-nV8Ok
Matt 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=xVp7qfUP82jm6wQl
Watch 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 &...
Matt and Sean talk about Aluminum as another battery option, and your comments.
Watch the Undecided with Matt Ferrell episode, What This Aluminum‑Ion Breakthrough Means for You https://youtu.be/svHeBLgpRQs?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ
- (00:00) - - Intro & Feedback
- (15:59) - - Aluminum Battery Discussion
YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast
Get in touch: https://undecidedmf.co...
https://youtu.be/9M5cISgMNMM
Matt 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/stilltbdpodcast
Get in touch: https://undecidedmf.com/...
https://youtu.be/BQoniKPE8Nw
Matt 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/stilltbdpodcast
https://youtu.be/3fntze01h_k
Matt 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.yout...
https://youtu.be/iSGqe9lefQI
Matt and Sean talk about Matt’s CES 2026 visit, the good, the bad, the funny … including Donut Labs solid state battery.
Watch the Undecided with Matt Ferrell episode, The Most Controversial Battery at CES 2026 https://youtu.be/Kt4c0o_3eyY?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ
- (00:00) - - Intro & Feedback
- (12:17) - - CES 2026 Discussion
YouTube version of the podcast: https://...
https://youtu.be/SrkuzIo1liM
Matt and Sean talk about the current status of perovskite solar progress, plus your responses to our previous episodes.
Watch the Undecided with Matt Ferrell episode, What Solar’s 2025 Breakthroughs Mean for 2026 https://youtu.be/FffKMMnisu4?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ
- (00:00) - - Intro & Feedback
- (15:00) - - State of Solar Discussion
YouTube version of the podcast: https:/...
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