Topic: Sand Battery

Hosts Adam Curry and John C. Dvorak opened the production segment of the show, discussing the "Value for Value" model and the contributions of the "No Agenda" producer community. They reviewed the artwork for the episode, titled "Sand Battery," and highlighted the work of "Dutch Masters" and other artists. The segment emphasized the importance of community participation through time, talent, and treasure.

A Finnish company is developing "sand batteries" that store electrical energy as heat in low-grade sand, reaching temperatures up to 600 degrees Celsius. The hosts express deep skepticism about the practicality and efficiency of using sand for large-scale residential heating.