I4is Science Fiction AnthologyYou will have seen from earlier Newsletters that we are still looking for short stories for the upcoming “The i4is Science Fiction Anthology.” Further information is available – from the editors sarah.margree@i4is.org and jean.asselin@i4is.org Advances in Spacecraft EngineeringOn February 20th, 2024, Jamell Ivor Samuels of the Imperial College London released a preprint […]
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Principium 44
Principium 44 has gone out to subscribers and is now accessible to all.
Members Newsletter – February
I4is Science Fiction Anthology You will have seen from earlier Newsletters that we are still looking for short stories for the upcoming “The i4is Science Fiction Anthology.” Further information is available – from the editors sarah.margree@i4is.org and jean.asselin@i4is.org Cryogenic Power Panels On February 6th, 2024, the scientific journal Next Energy in Elsevier published a paper […]
Measurement of Mass by Space Sails
Adam Hibberd I’ve been doing a little algebra. Let me state the problem. Let us say we have a swarm of space sails flying edge on to the interstellar medium (ISM). This swarm lies in a plane at right angles to its velocity relative to this ISM. Now lets bring in an element of the […]
Members Newsletter – January
I4is Science Fiction Book Club – Next meeting 8th FebruaryFor the next meeting, the i4is SF Book Club members are considering again two stories from ‘The Road to Science Fiction Volume 3: From Heinlein to Here’ edited by James Gunn, a collection of selected short stories from the ‘Heinlein to Here’ era.The meeting will be […]
Project Lyra Mission Guide
Adam Hibberd I provide for you a chart of some missions to 1I/’Oumuamua investigated by Project Lyra. The green rows use chemical propulsion, the blue use nuclear thermal propulsion (NTP) and the pink exploit laser sails. This table will be updated when new research becomes available. For more detail, zoom in with your mouse (Ctrl+scroll […]
Swarming Proxima: i4is wins NASA NIAC Grant
In collaboration with Space Initiatives Inc., we have succeeded in securing a prestigious NIAC grant. “Thomas Eubanks, Space Initiatives Inc. in Florida, believes a swarm of tiny spacecraft could travel to Proxima Centauri this century, sending back data about the Sun’s nearest interstellar neighbor using a novel laser sailcraft and laser communications.” More information here.
Project Lyra: A Solar Oberth at 10 Solar Radii
Adam Hibberd I have recently returned my attention to the Solar Oberth mission to ‘Oumuamua. For readers not familiar with this celestial body, 1I/’Oumuamua was the first interstellar object to be discovered passing through our Solar System, is now out of range of our most powerful telescopes and has left scientists with many questions in […]