Principium

FEATURES
Searching for Alien Messages to a Nearby Star
The Mariner 2 Model

NEWS FEATURES
IAC 2022: The Interstellar Presentations. Part 2
i4is 10th Anniversary
The Journals
14 pages of Interstellar News

REGULARS:
Become an i4is member
The i4is members’ page
Next issue

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Principium 39 – ISSN 2397-9127 –

FEATURES
BOOK REVIEW: FREEDOM IN OUTER SPACE
‘Oumuamua: A Second Chance? A Personal Memoir
I4IS Science Fiction Anthology

NEWS FEATURES
The Third i4is Summer School at the Royal Institution
i4is 10th anniversary
News Feature: IAC 2022: The Interstellar Presentations. Part 1
Impressions of IAC22
The Journals
16 pages of Interstellar News

REGULARS:
Volunteer Poster: Working towards the real Final Frontier
Become an i4is member
The i4is members’ page
Next issue

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Principium 38- ISSN2397-9127

LEAD FEATURE Book Review: LIFE IN THE COSMOS, Andreas Hein
FEATURES: Two Equations to the Stars– Part Two: The Photon Sail Equation–John I Davies
NEWS FEATURES: IAC2022, The Journals
19 pages of INTERSTELLAR  NEWS
REGULARS: Become an i4is member, The i4ismembers’ page, Membership and Volunteer posters,  Next issue & Cover images

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LEAD FEATURE Book Review: The Alien Communication Handbook, Patrick Mahon
FEATURES: Two Equations to the Stars – Part One – John I Davies, Finding new ways to share resources in space – Max Daniels
NEWS FEATURES: The Second Interstellar Studies Summer Course, IAC 2022, Special on space debris at IAC21 – Samar AbdelFattah, The Journals
INTERSTELLAR NEWS: IAC 2022, Inflatable infrared telescope to detect water, Engineering the Oberth Manoeuvre, A Starshade to help earth-based telescopes find exoplanets, i4is in US National Academies Decadal Survey, Don’t Forget To Look Up, Philosophy and Science of Space Exploration, Avoiding the Great Filter, Researching ‘Oumuamua as an Alien Craft, More from Centauri Dreams on Laser Sails and Ramping Up the Technosignature Search, Riding a laser to Mars in 45 days, The case for space environmentalism, Studying an ISO using the Webb telescope, SETI in 2021, Non-terrestrial artefacts in the Solar System, Probability of communicating ETIs
REGULARS: Membership Poster (white), Become an i4is member, Volunteer Poster: Working towards the real Final Frontier, The i4is members’ page, Next issue & Cover images

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LEAD FEATURE The Icarus Firefly Downlink
FEATURES: Project Lyra: A Mission to 1I/’Oumuamua without Solar Oberth Manoeuvre, Design of Interplanetary Missions to Jupiter Using Optimum Interplanetary Trajectory Software
NEWS FEATURES: JBIS Index 2021, 72nd International Astronautical Congress 2021: The Interstellar Papers, A brief on IAC2021: Inspire, Innovate and Discover For the Benefit of Humankind, 7th Interstellar Symposium – The Hallway is More Important than the Podium…, The Journals
INTERSTELLAR NEWS: A real, albeit humble, warp bubble (continued)? ; Announcement from IRG, – See what we heard at Tucson; Free-floating planets in the Upper Scorpius, Capture of interstellar objects; Solid core thermal antimatter propulsion;, Feasibility of space solar power, Hyper-Fast Positive Energy Warp Drives; IEEE reports – A Pinch of Fusion, 100 GW beamer by coherent combination of 100 M lasers, JWST – so far so good; Interstellar communication from hypothetical alien, probes, UCSB on Economics of Interstellar Flight; Beyond Solar System – beware, Dark Matter, Trappist 1 – Gravitational Lens in 8 Years, Tailpiece: Wacky Scientists hire, wacky vicars – or not?
REGULARS: Keep An Eye On Our Facebook Page, Membership Poster (white), Become an i4is member, Volunteer Poster: Working towards the real Final Frontier, The i4is members’ page, Membership Poster (black), Next issue, Cover images.

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• Interstellar Research Group Symposium 2021
• International Astronautical Congress 2021: The Interstellar Papers
• The downlink from swarming micro-probes
• News Features
  • The journey of Bernardinelli-Bernstein
  • Loeb on an Artificial Origin for `Oumuamua
  • The Journals
• Nine pages of Interstellar News
• i4is Members’ Page
• Losing Access to Space – Are we building a fence around our planet? – A personal view

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• Optimal Strategies for Exploring Near-by Stars
• 2014 UN 271 Spacecraft Missions
• International Astronautical Congress 2021 – The Interstellar Papers
• News Features
  • The Journals: JBIS and Acta Astronautica
  • Mission to 2014 UN 271 using OITS
  • Another review of Avi Loeb’s Extraterrestrial
• 8 pages of Interstellar News
• i4is Members’ Page

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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:
  • The i4is Talk Series – 2020 and 2021
  • The 2021 ISU Masters Elective and Masters Projects
  • The 10 parsec sample in the Gaia era
  • i4is wins major contract in Interstellar Studies
• 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

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This issue features –

• AMiTe Treffpunkt — A proposal for communication between Kardashev Type IIb civilisations
• The Artemis Accords: what comes after the Moon?
• Worldship and self replicating systems
• An Interstellar Visitor: sorting the fact from the speculation
• 71st International Astronautical Congress 2020: The Interstellar Report — Part 2 of 2
• News Feature: Starshot Downlink Webinar
• The i4is Members Page & Become an i4is member
• Interstellar News

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This issue features –

• Interstellar Objects & Sample Returns
• International Astronautical Congress 2020
• The Interstellar Downlink
• Book Review: Extraterrestrial Languages — Daniel Oberhaus
• News Features:
  • i4is Project Glowworm
  • i4is Technical Team
  • Hints of life on Venus
  • Breakthrough Starshot Communications Workshop — May 2020
  • The 2020 ISU Masters Elective Module — Part 2
• Interstellar News
• i4is Members Page

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This issue features –

• Worldship Implications of the BIS SPACE Project
• 2020 ISU MSS Elective Module
• i4is-supported ISU MSS Projects – Bussard Ramjet & Deceleration of Interstellar Probes
• 71st IAC 2020 Timetable of Interstellar Papers
• Cassidy Cobbs – Bioscientist – Part 2
• Interstellar News
• The Cathedral and the Starship
• FISW2 videos and presentations
• Educating i4is: the i4is Education Team
• Alfred M Worden – A personal reflection

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This issue features –

• Cassidy Cobbs – Bioscientist
• Interstellar News
• The Interstellar Ram Jet at 60
• IAC2019 the Interstellar Papers #3
• FAST radio telescope & Breakthrough Listen
• Rings round exoplanets – possible megastructures
• Mariner model part 2: The initial construction phase
• i4is Members Page
• Freeman Dyson (1923-2020)
• Feasibility of self-replicating probes for interstellar exploration
• Book Review: Religions and Extraterrestrial Life

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This issue features –

• IAC 2019 – Second Report
• Book Review: The Contact Paradox
• TVIW’s 6th Interstellar Symposium
• What do we really know about the Outer Solar System?
• The Equation used in the Benkoski Paper – A Derivation
• Interstellar Objects – Oumuamua, Borisov & objects in between
• i4is Members Page & Become an i4is member
• Interstellar News

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This issue features –

• On a possible future direction for optical SETI
• IAC Oct 2019 — First Report
• How to reach Interstellar Visitors — Optimum Interplanetary Trajectory Software
• How low can you go? — The Benkowski equation
• i4is Members Page & Become an i4is member
• Interstellar News

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This issue features –

• Foundations of Interstellar Studies Workshop 2019
• The State of the Art in Fusion Propulsion – part 2
• A Mariner 2 model
• Interstellar News
• News Features:
  • The Principium Team
  • Starship Congress 2019
  • ESA Interstellar Workshop
  • Apollo Poetry Competition result
  • IAC Oct 2019 – i4is team and interstellar timetable
  • ISU ChipSat Spacecraft and Mission Design elective
• i4is Members Page & Become an i4is member

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This issue, Our third MEMBERSHIP Edition, features –

• The State of the Art in Fusion Propulsion
• Overview: TVIW 2018 Symposium
• Second Foundations of Interstellar Studies workshop
• Extreme Deep Space Exploration
• Competition: From Apollo to the stars!
• Progress & activity by i4is-US 2017-2019
• Fine Tuning Lasers: Project Dragonfly and Glowworm
• i4is Members Page and Become an i4is member
• Interstellar News
• News Features:
  • Oumuamua, Project Lyra and ISOs
  • Indian Anti-Satellite test
  • All Comets Great and Small
  • IAC 2018 – Swarm Systems
  • i4is-US at annual MIT Beyond the Cradle event
  • The Membership Team

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This issue, Our second MEMBERSHIP Edition, features –

• Project Glowworm: Testing Laser Sail Propulsion in Low Earth Orbit
• Amerigo: Brief Overview of a 1000 AU probe study
• TVIW Power of Synergy Symposium
• Project Daedalus – A Beginners’ Guide
• Interstellar News
• News Features –
  • Oumuamua, Project Lyra and Interstellar Objects
  • 69th International Astronautical Congress 2018
  • TVIW 2018

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This issue, The MEMBERSHIP Edition, features –

• Implications of the Gaia Mission for Future Interstellar Travel
• News Feature – What is Oumuamua?
• Book Review: The Planet Factory – Elizabeth Tasker
• Engineering New Worlds: Goals, Motives and Results
• Interstellar News
• News Features:
  • 69th International Astronautical Congress 2018 – The Interstellar Papers
  • Starship Engineering – First Five Day i4is Summer School
  • Holographic Photon Sails – A Merger of Science and Art
  • The Andromeda Probe Model
  • TVIW 2018

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This issue features –

• To the Stars in a Century: Z-Pinch fusion & Firefly Icarus
• IAC 2018 Bremen – interstellar & i4is
• Breakthrough Propulsion Physics
• Book Review: Exoplanètes
• Interstellar News
• News Features
  • Moon, Mars & beyond – an RI debate
  • Catching A Little Bit of Heaven
  • i4is HQ Symposium & Lecture
  • Wormholes & Time Machines
  • How far have we come?

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This issue features –

• “Slow down!”: How to park an interstellar rocket
• The Orbits of Seveneves (2) – the orbits explained
• Imagining Interstellar – Art by Efflam Mercier
• 69th International Astronautical Congress 2018 – Papers by the i4is Team
• BOOK REVIEWS:
  • Going Interstellar – Build Starships Now!
  • Rendezvous with Rama, a retrospective
• NEWS FEATURES –
  • Breakthrough Discuss 2018: i4is debate novel propulsion technologies
  • PROCSIMA – Diffractionless Beamed Propulsion for Breakthrough Interstellar Missions
  • BIS report on nanosats from the UK
• Interstellar News & Project Lyra Update

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This issue features –

• Project Lyra : mission to ʻOumuamua
• Preparing for the next Interstellar Object
• Interstellar News
• The Orbits of Seveneves
• Tsiolkovsky – Interstellar Pioneer
• NEWS FEATURES
  • Work on the interstellar asteroid and i4is Project Lyra
  • Pete Worden, Breakthrough Initiatives, at i4is HQ
• Sir Arthur C Clarke Centenary
• Models and art at the Mill

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This issue features –

• ‘The Interstellar Space’ Opening of i4is HQ, 8 October 2017
• News Feature – Glowworm Update
• TV Programme Review – The Search for a New Earth – With Professor Stephen Hawking, BBC2, first screened 11 Sep 2017, UK
• Interstellar Inspiration for School Students: The i4is Interstellar Challenge. How To to get started on your own Interstellar Challenge.
• Transplutonium is not “Planet X” : Reminiscing and reality-based ruminations on the high cost of nucleosynthesis of propellants for interstellar travel.
• Engineering New Worlds: Creating the Future – Parts 4 and 5
• Art for Interstellar : Bringing art, technology and science together in New York

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This issue features –

• Aridopolis : A Sustainable Earth / Mars Desert Settlement
• Interstellar News
• Engineering New Worlds: Creating the Future – Part 3
• Foundations of Interstellar Studies Workshop
• Statement of Solidarity for The Interstellar Vision
• Opening of the i4is HQ

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This issue features –

• Advanced Ion Propulsion Systems for Interstellar Precursor Probes
• Interstellar News
• News Feature: TRAPPIST-1
• Is the Alcubierre Drive the answer to Interstellar Travel?
• Album Review: Infinity of Space
• Book Review: Starlight, Starbright: Are Stars Conscious?
• Engineering New Worlds: Creating the Future
• Poster Feature: Space Resource Law

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This issue features –

• Project Starshot
• Interstellar News
• Letter to the Editor : Stephen Ashworth
• ISU Masters Degree Projects – the i4is contribution
• Film Reviews: Arrival and Passengers
• Book Review: Star Ark : A Living Self-sustaining Spaceship
• Interstellar Challenge for London Schools 2016
• Image Feature: Artificial Intelligence Probes for Interstellar Exploration and Colonization

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This issue features –

• Guest introduction by Nick Kanas, The Psychology and Sociology of Interstellar Travel
• News from the Initiative
• i4is/ISU 2016: Space Environment & Spacecraft Systems Engineering
• Daedalus: Model and Art
• The Andromeda Study
• Book Review: Gypsy: Carter Scholz
• The art and imagination of David A Hardy

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This issue features –

• Guest introduction by Paul Gilster
• News from the initiative
• Cosmos: A Personal Voyage
• The BIS Daedalus Model – the last lap
• The Starship Engineer Course 2015
• Interstellar Studies at the ISU 2016

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This issue features –

• Guest introduction by Kieran Twaites
• News from the initiative
• The 1,000 Year Starship
• Sending Ourselves to the stars? – 2
• Photo Feature: BIS Daedalus Starship Model
• Project Icarus: Introduction

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This issue features –

• Guest Introduction
• News from the initiative
• Sending Ourselves to the Stars
• Starship Engineer
• Prototyping Starships
• Dragonfly: The Way Forward
• Film Review: Star Wars – The Force Awakens

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This issue features –

• Stop Press: Starship Engineer Course
• Guest Introduction: Photometric SETI
• News: Project Dragonfly, i4is at SDSO, Axiom, Starship Congress
• Project Dragonfly Competition
• Interstellar Implications of the New Horizons Probe
• Starship Congress 2015
• TWIW 2014: i4is SF design Workshop
• TWIW 2014: Field Report
• What we did at Eastercon
• Film Review: The Martian

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This issue features –

• News, Dragonfly, Pluto and Dysprosium
• Wormholes Come to London (2)
• Wormholes – Stargates to the Cosmic Neighbourhood
• i4is Goes Stratospheric
• Icarus Interstellar: Project Voyager
• What we did at the WorldCon (2)
• How do we Survive on a Distant World?
• What’s in Principium 11

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This issue features –

• Project Dragonfly
• Kickstarter
• Introduction
• Beyond the Boundary – An i4is Book
• Educational Academy
• Technical Research Committee
• i4is and ISU
• Wormholes Come to London
• Film & Book Review “Interstellar”
• Merchandise
• News from the i4is
• What we did at the WorldCon
• What’s in Principium 10

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This issue features –

• Introduction by Kelvin F. Long
• News from the Initiative
• Advances
• Community News
• Son of Daedalus
• Building Daedalus
• Book Review

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This issue features –

• Introduction by Sarah Margree
• News from the initiative
• Voyager 1 Leaves the Heliosphere
• The New Horizons Message Initiative
• Project Icarus Workshop
• The Alpha Centauri Prize
• Starship Cities
• Enzmann Starships

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This issue features –

• Introduction by Keith Cooper
• A Year I the Life of i4is
• Why an initiative now?
• The i4is Academy
• Gravity and the Apple
• The Origins of Future Worlds
• The Philosophy of the Starship
• Project Dragonfly

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This issue features –

• Introduction by Keith Cooper
• News from the initiative
• Community
• Advances
• The Art of Music
• Jon Lomberg’s Starship Adventures
• Retrospective: SETI

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This issue features –

• Introduction by Adrian Mann
• News from the initiative
• Tennessee Valley Interstellar Workshop
• Advances – DE-STAR
• The Starship Art of Jon Lomberg
• Book Review

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This issue features –

• Introduction by Gregory Matloff
• Advances – Asteroid Propecting
• Advances – Skylon
• ‘Listening Post’
• A Learning Experience
• Retrospective: Bussard Ramjet
• Reviews

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This issue features –

• Letter from Rob Swinney
• News from the initiative
• ‘Advances’
• Meet the Neighbours
• Retrospective: Voyager
• Reviews

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This issue features –

• Letter from the Director
• News from the initiative
• ‘Advances’
• CubeSats
• Retrospective: Daedalus
• Book Reviews

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