Still To Be Determined

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.

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-determined

Follow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmf

Undecided with Matt Ferrell: https://www.youtube.com/undecidedmf

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

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touc...

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-comfort
https://tinkertry.com/geothermal-vs-air-source-heat-pumps-feat-undecided-and-tinkertry

...

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

YouTube version of the podcast...

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

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-determined

Follow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmf

Undecided with Matt Ferrell: ht...

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

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-determined

Follow us on X: @stilltbdfm @byseanferrell @mattferrell or...

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

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-determined

Follow us on X: @stilltbdfm @byseanferrell @mattferrell or...

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

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-determined

...

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

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

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Support the show: https://pod.fan/still-to-be-determined

Foll...

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

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-determined

Follow us on X...

https://youtu.be/PA2Wc_pxZ6Y

Matt and Sean talk about desalination and osmotic power production, plus your responses to our previous episodes.

Watch the Undecided with Matt Ferrell episode, The Ocean's Invisible 15,000 TWh Goldmine https://youtu.be/kko09WIC6yc?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

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-determined

Follow...

https://youtu.be/HjYEgF598CI

Matt and Sean talk about perovskite solar panels, silver prices, and other new (old) issues.

Watch the Undecided with Matt Ferrell episode, How This Perovskite Breakthrough Could Change Solar Forever https://youtu.be/8Eh9m4U7GGk?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

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-determined

Follow us on X...

https://youtu.be/kWC8Cylbu5A

Matt and Sean talk about the impact of AI on our electric bills and more.

Watch the Undecided with Matt Ferrell episode, How AI is Destroying Your Electric Bill https://youtu.be/n8m1BCzvGCA?list=PLnTSM-ORSgi7oiN-erZtwugd0muTdQXnU

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-determined

Follow us on X: @stilltbdfm @byseanferrell...

https://youtu.be/t6Lc9WS60vA

Matt and Sean talk about recycling plastic (will we ever get there?), simple home energy solutions (insulation!), and more.

Watch the Undecided with Matt Ferrell episode, The Recycling Breakthrough That Doesn't Need Sorting https://youtu.be/D9Hd4KMoxds

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-determined

Follow us on X: @stilltbdfm...

https://youtu.be/FmTo8ZkfZ68

Matt and Sean talk about Matt’s geothermal heat pump experience, digging wells, and the meaning of “young.”

Watch the Undecided with Matt Ferrell episode, How My Geothermal Heat Pump Really Performed (2 Years) https://youtu.be/DTb7TKJzr5g?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

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-determined

F...

https://youtu.be/Xx9sCiVZxJ4

Matt and Sean talk about a change in what research says is good for zinc batteries, and more topics from last week's episode. 

Watch the Undecided with Matt Ferrell episode, The Surprising Battery Discovery No One Saw Coming https://youtu.be/GRumW9JzGbc?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Support the show: https://pod.fan/s...

https://youtu.be/Ay_Yr2aI9tw

Matt and Sean talk about increasing solar power efficiency by making the panels (ew) sweat, and more topics from last week’s episode.

Watch the Undecided with Matt Ferrell episode, How This Hydrogel Gives Us 12% More Solar Efficiency https://youtu.be/yWMxM8YQcN4?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Support the show: ht...

https://youtu.be/Ulwh9PMxI_M

Matt and Sean talk about solar power generation from two-faced panels … no, not lying panels, but bifacial solar panels with some big updates that should help them become more common.

Watch the Undecided with Matt Ferrell episode, How the Back of a New Solar Panel Just Changed Everything https://youtu.be/tQoV4Qj0NQs?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: ht...

https://youtu.be/wcTP2wXrlHM

Matt interviews Grant Gunnison, CEO and founder of Zero Homes, about their innovative approach to home electrification. Grant shares how his background as an MIT engineer and NASA contractor, combined with experience running his family's contracting business, led him to create a platform that uses smartphone photos and AI to generate accurate home energy assessments and quotes without requiring in-person sales visits. They discuss the challenges of retrofitting existing homes, why contractors resist new technologies, and how Zero Homes is expanding across multiple states while partnering with utilities to streamline the path...

https://youtu.be/eUVGEhhU5jM

Matt and Sean talk about taking an unexpected environmental blight (Sargassum), and turning it into a renewable, useful (and profitable) resource.

Watch the Undecided with Matt Ferrell episode, This Seaweed Was a Caribbean Disaster, Now It's Gold https://youtu.be/iAYiUN4gvi4?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Support the show: https...

https://youtu.be/hP682UrQY_E

Matt and Sean talk about the Big Beautiful Bill, what its long term impacts might be on the renewable energy space, and how easy it might be to go in another direction.

Watch the Undecided with Matt Ferrell episode, How the U.S. Just Handed the Renewable Future to China https://youtu.be/2tNp2vsxEzk?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in...

https://youtu.be/CRqwU8hZg9A

Matt and Sean talk about CATL’s claims at a massive breakthrough in sodium ion battery costs, and whether it might (or might not) find a place in the energy storage market.

Watch the Undecided with Matt Ferrell episode, How CATL Made Batteries 90% Cheaper (And What Happens Next) https://youtu.be/Wf84NJSiAeU?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.co...

https://youtu.be/s2h-16Ia-Pk

Matt and Sean talk about quantum computing … and when do we talk about what we don’t yet have?

Watch the Undecided with Matt Ferrell episode, Why The Race for Quantum Supremacy Just Got Real https://youtu.be/L1kyvI2m6UY?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

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-determined

Matt and Sean talk about bio-tech including possible blood batteries.

Watch the Undecided with Matt Ferrell episode, How Nature is Powering This Battery Breakthrough https://youtu.be/LbprE3qROs0?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

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-determined

Follow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmf

Undecided with Matt Ferrell: https...

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

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-determined

Follow us on X: @stilltbdfm @byseanferrell @mattferrell or @undecidedmf

https://youtu.be/lI3EkZvx56w

Matt 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

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-determined

Follow us...

https://youtu.be/GwGnCQE98s0

Matt 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

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Support th...

https://youtu.be/7JoDmw1TCTA

Matt and Sean talk about using mushrooms for food, packaging, clothing, and more. Can it truly replace bacon and boots?

“No, Thorium Won’t Power Everything” video we talked about:
https://youtu.be/iXz302oMphQ?si=7NgBLWm6s-UPj-NE

Watch the Undecided with Matt Ferrell episode, Why Mushrooms are Starting to Replace Everything https://youtu.be/jI2LC3WTryw?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stillt...

https://youtu.be/qDQ3N51WYgQ

Matt 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

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://un...

https://youtu.be/dRkqXHvU71o

The 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/

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Support the s...

https://youtu.be/94r93XJ9BzA

Matt 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

https://youtu.be/kAYdIpcDnZk

Today 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 Undec...

https://youtu.be/jLEO9Gbba0k

Matt 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

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Support the show: https://pod.fa...

https://youtu.be/UWOAjs7ruGI

Matt and Sean talk about desalination efforts deep under the ocean, and how it may play a part in solving water shortages. Don’t get salty before taking a listen.

Undersea cables article: https://www.mentalfloss.com/article/60150/10-facts-about-internets-undersea-cables

In response to “water we gonna do about it?”

https://youtu.be/NNEgUPKxk7A?si=nMxEfpJitt_gU2QH&t=55

Watch the Undecided with Matt Ferrell episode, How Deep Sea Water is Now Drinkable https://youtu.be/Bu_IcFpEkg0?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

https://youtu.be/WoSE4ivjIv4

Matt and Sean talk about wave energy converters and power generation, and how in the long run it could outpace solar and wind as a sustainable, renewable energy source.

Watch the Undecided with Matt Ferrell episode, How Waves Could Quietly Overtake Solar & Wind: https://youtu.be/l1pxV7Nro34

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-determined

Follow us on X...

https://youtu.be/lE1-DprTJ0M

Matt and Sean talk about a battery design that is both battery and the body structure of the device being powered. It’s not massless, but is two birds one … battery?

Watch the Undecided with Matt Ferrell episode, The Strangest Battery Breakthrough Yet https://youtu.be/-0rnORXGwpE?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

Get in touch: https://undecidedmf.com/podcast-feedback

Supp...

https://youtu.be/dnRSrU8Gwmc

Matt had the chance to chat with Julie Slaughter from the Ames National Laboratory about their research into magnetocalorics (using magnets for heating and cooling). Do you think this is an attractive idea? Or does it repulse you?

Watch the Undecided with Matt Ferrell episode, How Magnetic Cooling Is Breaking All the Rules https://youtu.be/qcscUoP8FNk?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/stilltbdpodcast

...

https://youtu.be/LOuj1LUNijU

Matt and Sean talk about a move away from lithium by a major battery manufacturer, and a paper battery that might be the sheet. Why the interest in these new batteries?

Watch the Undecided with Matt Ferrell episodes;
Why This Paper Battery is Better Than You Think https://youtu.be/R31v28uS_8k?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ
Why the Biggest Battery Company is Betting Against Lithium https://youtu.be/7yhcyn_4cUc?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

https://youtu.be/5gs1Gr8BhQo

Matt and Sean talk about how AI is impacting us today. As well as a recent change in lithium-sulfur battery research, and how that might change the energy storage market. Stinky sulfur may finally be leaving its mark.

Watch the Undecided with Matt Ferrell episode, How This Overlooked Battery Might Change Everything https://youtu.be/AzU78eq3Kzw?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of...

https://youtu.be/Tq3IS1J3Lyo

Matt and Sean talk about using ice to generate heat. Yes, it’s actually a thing, but does it make sense for the future of heating?

Watch the Undecided with Matt Ferrell episode, How Can Ice Heat Your Home? Ice Source Heat Pumps! https://youtu.be/2S5NdYso73M?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ

YouTube version of the podcast: https://www.youtube.com/st...