Matt Ferrell

Matt Ferrell is the creator of Undecided with Matt Ferrell, a YouTube channel with over 1.8 million subscribers that explores how renewable energy and sustainable technology impact our lives.

04 Mar 2026 Still TBD Episodes

297: Heat Pump Comparison & Paul Braren Interview

Matt and Sean talk about heat pump comparisons, and a full long-form discussion with Paul Braren from TinkerTry.com

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25 Feb 2026 Still TBD Episodes

296: Flywheels! Getting All Spun Up

Matt and Sean talk about flywheels, mechanical energy storage, and something unexpected that flew out of the comments.

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18 Feb 2026 Still TBD Episodes

295: Why Aluminum Batteries?

Matt and Sean talk about Aluminum as another battery option, and your comments.

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11 Feb 2026 Still TBD Episodes

294: Heat Pump: Scams?

Matt and Sean get pumped talking about 3D Printing, Heat Pumps, and your comments.

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04 Feb 2026 Still TBD Episodes

293: Sodium Battery Fade

Matt and Sean talk about sodium batteries, why lithium prices are falling, and your comments.

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28 Jan 2026 Still TBD Episodes

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

Matt and Sean talk about a new material we might see in solar panels, and Matt’s invasion on Hank Green.

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21 Jan 2026 Still TBD Episodes

291: CES 2026 Roundup

Matt and Sean talk about Matt’s CES 2026 visit, the good, the bad, the funny … including Donut Labs solid state battery.

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07 Jan 2026 Still TBD Episodes

290: State of Perovskite Solar Roundup

Matt and Sean talk about the current status of perovskite solar progress, plus your responses to our previous episodes.

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17 Dec 2025 Still TBD Episodes

289: Salty AND Sweet? Desalination + Power Plants

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

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10 Dec 2025 Still TBD Episodes

288: Perovskite? All Right!

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

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