Big Think Michio Kaku: Why we don’t even rank on the Kardashev scale
Nov 2, 2025
Michio Kaku, a theoretical physicist and science communicator, dives into the mysteries of intelligence in the universe. He challenges our narrow definitions of intelligence when considering extraterrestrial life. Kaku discusses the Kardashev scale, revealing that humanity is still a Type 0 civilization. He explores the implications of recognizing advanced alien technology and the significance of recent UFO sightings. The conversation highlights the need for transparency regarding military data on unidentified aerial phenomena, urging a reevaluation of how we understand these encounters.
AI Snips
Chapters
Transcript
Episode notes
Detecting Intelligence By Patterns
- Michio Kaku shows intelligence can be detected by algorithmic regularities like language frequency patterns.
- Computers found dolphin vocalizations show patterns consistent with intelligence.
Swimming With Dolphins For Research
- Kaku describes being in a pool with dolphins while computers analyzed their squeals and chirps.
- The analysis revealed regularities indicating dolphin intelligence.
Kardashev Scale And Our Position
- Kaku explains the Kardashev scale ranks civilizations by energy use: planetary, stellar, and galactic.
- He states humanity is still 'type zero' and hasn't harnessed planetary energy.