Another possibility, albeit one not terribly popular with science-fiction writers, is that interstellar travel is just too difficult. There is no way to travel faster than the speed of light, no wormholes or “jump points”. No ceramotitanumsteel alloys or materials that will hold up to the stresses of journeys of hundreds or thousands of years. Interstellar …
Continue reading “Where is everybody? The Fermi Paradox, Part 2: It’s just too hard”