Matt and Sean talk about repurposing nuclear waste into radioactive diamond batteries. No, really.

Matt and Sean talk about earthships (off-grid homes built from repurposed materials like tires), their challenges and advantages, and what more conventional building could learn from them.

Matt and Sean talk about airships: their viability, their safety, and whether passenger travel will ever be something for the masses (or even the super-rich).

Matt and Sean talk about IT companies that have found a use for heat waste that provides for consumers’ hot water needs. A win-win-win.

Matt and Sean talk about lab grown meats, the positives to the environment, and the strange opportunities it serves up.

Matt and Sean talk about Matt’s experience with smart circuit breakers and smart electric panels, how you might need to divvy up your power needs in a blackout, and what to do when you’ve got a rogue dehumidifier.

Matt and Sean talk about the the future of car ownership, how there’s not just one solution for everything, and the viability of floating cities … and how many Bond villains it takes to make it happen.

Matt and Sean talk "massless" batteries, and how to tell if some of those apples you're comparing might actually be oranges. Or bananas.

Matt and Sean talk about molten metal batteries, how they may solve some power storage issues, and why their pace of development is slow.

Matt and Sean talk about possible advances in sustainable tech--even though the big picture project may be a pipe-dream--and what elements of that dream might even be truly crucial in the future (hint: there's salt in your water).