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Still To Be Determined

Matt 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. St...

Episodes

20 of 312 episodes

Quick Announcement

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0:53Aug 17, 2026

310: Is a Smart Panel Worth It? With Reynolds Holmes

A smart panel adds a few thousand dollars to an already expensive project, so Matt asks the awkward question straight out. Reynolds Holmes,...

58:07Aug 12, 2026

309: Is Perovskite Solar Finally Here? Joel Jean - Swift Solar Interview

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 o...

46:35Jul 22, 2026

308: Why 2 Million People Ditched Alexa & Google for This - Me Included

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...

1:02:36Jul 8, 2026

307: From Super Soakers to Heat Engines with Dr. Lonnie Johnson

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...

44:17Jun 24, 2026

306: Is This Finally a Real Solid State Battery? With Jorge Diaz Scheider

Matt sat down with Jorge Diaz Schneider, CEO of Ion Storage Systems, to talk about their anode-less, ceramic-based solid-state battery that...

40:26Jun 10, 2026

305: Having a Think with Dave Borlace

Matt and Sean talk to Dave Borlace from the YouTube channel, Just Have a Think, to discuss the current state of the renewable energy transit...

1:19:22May 27, 2026

304: JerryRigged Wheelchairs and More with Zack Nelson

Matt and Sean talk to Zack Nelson of JerryRiggedEverything about building a new wheelchair manufacturing business, solar DIY, and the histor...

44:35May 13, 2026

303: Karl Rábago and the Internet of Electricity

Matt and Sean talk to Karl Rábago about the internetification of the electrical grid, and what it means for the future of owning solar panel...

54:48Apr 29, 2026

302: The Future of Food with Nona Yehia

https://youtu.be/nR8qn3cD1jQ Matt and Sean talk to Nona Yehia (Vertical Harvest) about vertical farming, technological “growth”, and the fut...

41:26Apr 15, 2026

301: Talking Donuts & Batteries with Ricky Roy and Ryan Inis Hughes

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...

1:11:56Apr 1, 2026

300: Tasty, Solid State Donuts

https://youtu.be/f67J9QO5LPY Matt and Sean talk about Donut Lab's solid state batteries, connecting with other YouTubers, and your questions...

27:30Mar 25, 2026

299: Making Connections with Alec Watson

https://youtu.be/ve_k8pNY1sQ Matt and Sean talk with Alec Watson (TechnologyConnections) about future tech, current trends and dead ends, an...

1:01:45Mar 18, 2026

298: Why Waiting for Better Solar Costs You More

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 th...

23:42Mar 11, 2026

297: Heat Pump Comparison & Paul Braren Interview

https://youtu.be/v1o7RY43K-E Matt and Sean talk about heat pump comparisons, and a full long-form discussion with Paul Braren from TinkerTry...

49:44Mar 4, 2026

296: Flywheels! Getting All Spun Up

https://youtu.be/HHX1K-nV8Ok Matt and Sean talk about flywheels, mechanical energy storage, and something unexpected that flew out of the co...

20:39Feb 25, 2026

295: Why Aluminum Batteries?

Matt and Sean talk about Aluminum as another battery option, and your comments. Watch the Undecided with Matt Ferrell episode, What This Alu...

30:15Feb 18, 2026

294: Heat Pump: Scams?

https://youtu.be/9M5cISgMNMM Matt and Sean get pumped talking about 3D Printing, Heat Pumps, and your comments. Watch the Undecided with Mat...

42:28Feb 11, 2026

293: Sodium Battery Fade

https://youtu.be/BQoniKPE8Nw Matt and Sean talk about sodium batteries, why lithium prices are falling, and your comments. Watch the Undecid...

38:42Feb 4, 2026

292: Move Over Perovskite - There’s a New Solar Kid in Town

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...

30:47Jan 28, 2026