Joe and Allan start off with a salute to the rubber mallet then they wonder just how does Roman concrete last so long. Jay Hill from Big M Roofing drops by to answer questions about roof repairs and the claims process. Next, Joe wants to know if zero footprint mechanical energy is possible and if our batteries today can handle the challenge. Finally, Joe gets amazed by the emergence of tripos shrimp and other critters.
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Allan Gilbreath 