Coming soon: a modern take on an old paper by William Newman and Carl Sagan postulating a simple wave-like model of interstellar travel and colonization (link below). Now with inter-galactic heterogeneity, stochasticity, and more!
https://ntrs.nasa.gov/api/citations/19790011801/downloads/19790011801.pdf
https://ntrs.nasa.gov/api/citations/19790011801/downloads/19790011801.pdf
Comments