interstellar travel

An Exterminator-Free Galaxy

This post builds on my previous series about the Fermi Paradox. Quoting Nick Land, expat Brit philosopher in Shanghai, “The cosmic reality visible to us is characterized by an intense, efficient aversion to the existence of advanced civilizations.” He calls whatever it is that prevents the existence of advanced civilizations “The Great Filter.” Longtime science fiction

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Novel Acorn: Operation Iago

Quick note: this blog post may look familiar to my mailing list subscribers. It was one of those exclusive, pre-release bonuses my mailing list subscribers received almost three weeks ago, and almost a week before Operation Iago became available. You can get similar bonus content about my next books by subscribing now. Scroll down on

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The Fermi Paradox and the Drake Equation – From Intelligence to High-Tech Civ (f_c)

So far in the series of speculations about the Fermi Paradox—why a galaxy that should be teeming with signs of intelligent life is silent—we’ve gotten a range for N, the number of detectable civilizations in the galaxy, to [5e-7 to 8e-6] * f_c * L. Today’s post will estimate the value of f_c, the fraction

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Economics of Space Settlements, Part I

As a longtime sf fan, one of the toughest realizations I ever came to is that Space settlements will never happen for economic reasons. In part, the costs of getting to space are too high.  Charles Stross has discussed the costs at great length here.  To get one person to the Moon, bringing along the

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