The Stirling Business Podcast
Fresh food is easy to take for granted until you’re deployed, cut off, or travelling for months with no resupply. We’re joined by Stuart Preston, founder of Okal Astronautics, to talk about a bold idea with real engineering behind it: ag tech that can grow nutritious food anywhere from frontline conditions to future space missions. Stuart shares how 16 years as an Air Force aircraft engineer shaped his approach to building hardware that has to work first time, under constraints, and under regulation. We unpack Okal Astronautics’ plug-and-play plant pods, their Rugged Garden portable grow chamber, and the longer-term vision for Botanic Sky, a space agriculture system aimed at long-duration travel and planetary surface missions. Along the way, we dig into why controlled environment agriculture matters for morale as much as calories, and what storage and refrigeration challenges appear when you start thinking beyond pre-packaged astronaut food. We also get practical on the startup journey: how networking opens doors in the space ecosystem, how early “spray and pray” VC outreach turns into a focused investment strategy, and why rapid prototyping and fast iteration are non-negotiable as commercial space stations and Moon and Mars timelines accelerate. Stuart explains how AI tools help him move faster on software and firmware, plus what it really takes to scale manufacturing through suppliers, PCBs, and more robust power options like batteries and future solar. If you care about space tech, resilient food systems, hardware startups, or the future of sustainable agriculture, this is one to share. Subscribe, leave a review, and send this to someone who loves building things that matter.
33 episodios
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