Issue 33 of Principium, the quarterly publication of the Initiative and Institute for Interstellar Studies is now published.
Issue 33 | May 2021

This issue features –
- LEAD FEATURE: Practicalities and Difficulties of a Mission to ‘Oumuamua
- The Self Replicating Factory: a work in progress
- The i4is Members Page
- Project Pinpoint: Pushing the Limits of Miniaturization
- Become an i4is member
- News Features:
- Interstellar News
- Book Review: Simone Caroti – The Generation Starship In Science Fiction
- Book Review: Avi Loeb – Extraterrestrial: The First Sign of Intelligent Life Beyond Earth