Lights Out Library: Sleep Documentaries

This episode will give you an overview of the concept of multiverse: where does it come from? What are the various meanings and ideas behind that term? I detail different versions of this idea, coming from cosmology such as the "Eternal Inflation Multiverse" and the "Cosmic Lands ...  Show more

Tonight’s episode is a remastered version of one of the first stories ever released on the podcast. The original version covered cosmetics and perfumes; in this new version we expanded the history of cosmetics and left the history of perfumes for a future story. The new material ...  Show more

In this relaxing story, I tell you about the history of castles in Europe, from the first earthworks from the Bronze Age to Roman castra and finally medieval castles. We follow their development from motte & bailey castles to giant fortresses of the 14th century with dungeons, co ...  Show more

As long compilations of episodes that can accompany you for several hours were requested, we put this new one together. This episode consists of three main topics: - Mysteries of Celtic culture, especially the druids: who were they and what was their role in Celtic societies? - A ...  Show more

This episode is a remastered and improved version of one of the first stories ever released on the podcast. This new version includes updated information, as well as very recent results published in July 2026 from MAVEN, the spacecraft that spent more than 11 years studying Mars ...  Show more