
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/K2c...
11 Feb 42min

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...
4 Feb 38min

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 Breakt...
28 Jan 30min

291: CES 2026 Roundup
https://youtu.be/iSGqe9lefQIMatt 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 M...
21 Jan 39min

290: State of Perovskite Solar Roundup
https://youtu.be/SrkuzIo1liMMatt 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 S...
7 Jan 38min

289: Salty AND Sweet? Desalination + Power Plants
https://youtu.be/PA2Wc_pxZ6YMatt 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 ...
17 Des 202536min

288: Perovskite? All Right!
https://youtu.be/HjYEgF598CIMatt 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 ...
10 Des 202539min

287: AI’s Impact on our Electric Bills
https://youtu.be/kWC8Cylbu5AMatt 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://yout...
3 Des 202530min




















