An exploration of whether technologically advanced civilizations could have existed in Earth's distant past without leaving detectable traces. The article examines historical examples of lost civilizations and technological regression, then applies physical constraints to assess what evidence would remain from ancient high-tech societies, ultimately considering the Silurian hypothesis as a thought experiment for pre-human civilizations.
A post references the Civilization Test Suite on X from September 27, 2026. Limited context is available from the provided content.
Doom or Bloom is a tool that maps users' AI worldviews by positioning them on a spectrum between catastrophic AI outcomes (doom) and positive transformative outcomes (bloom). The interactive map includes positions and perspectives from notable figures in AI research, policy, and technology.