This podcast episode explores the history and evolution of artificial light, highlighting the significant advancements that have improved living conditions and enabled diverse professions. From the use of dim cow fat candles to the emergence of kerosene and electric lighting, the story of light showcases the impact on society and the economy. It also delves into the role of economic growth in driving innovation and the trade-offs associated with progress. However, commercial advertisements from sponsors interrupt the discussion on the sustainability of growth and productivity improvement.