Why Have We Not Found Any Aliens? - With Keith Cooper

Explore the fascinating search for extraterrestrial intelligence in this 52-minute lecture by science journalist Keith Cooper. Delve into the history and progress of SETI (Search for Extraterrestrial Intelligence) over the past six decades, examining the challenges, methodologies, and assumptions involved in the quest to find alien life. Learn about various detection techniques, including radio signals, lasers, and technosignatures, as well as intriguing concepts like Dyson Spheres and the Wow Signal. Discover the latest developments in the field, such as the Breakthrough Listen project and Breakthrough Starshot, while considering the potential implications and unintended consequences of contact with extraterrestrial civilizations. Gain insights into the vastness of our galaxy, the fine-tuning of the universe for life, and the ongoing debate surrounding the Fermi Paradox.