304: JerryRigged Wheelchairs and More with Zack Nelson
In this episode, Sean and Matt interview Zach Nelson of Jerry Rigged Everything about his evolution from DIY Jeep repairs to building an affordable wheelchair business and other maker projects. Zach explains how his YouTube channel funds expensive manufacturing equipment, allowing his company to produce wheelchairs at roughly half the price of prescription models and bypass lengthy insurance processes. He also discusses the variety of wheelchair designs—including off‑road electric models—and how his personal relationship inspired the venture. The conversation touches on broader maker culture, sustainability myths about solar panels, and the importance of accessibility.
300: Tasty, Solid State Donuts
In this episode Sean Farrell and his brother Matt discuss the hype and controversy surrounding the so‑called "donut" solid‑state battery unveiled at CES, dissecting the lofty claims of 400 Wh/kg energy density and 100,000‑cycle life that many deem physically impossible. They...
292: Move Over Perovskite - There’s a New Solar Kid in Town
In this episode, Matt and Sean Ferrell shift focus from perovskite to kesterite, a newer solar‑cell material that could become a cheaper, less toxic alternative to current technologies. They explain kesterite’s historical roots, its manufacturing challenges, and why it may...