Mind Matters Natural and Artificial Intelligence News and Analysis

TagBrief Window hypothesis

twin-moons-over-alien-desert-city-with-pyramids-stockpack-adobe-stock.jpg
Twin Moons over Alien Desert City with Pyramids

Is the Brief Window for Finding ET Closing?

According to some scenarios, we could be past our best-before date for contacting aliens

Readers will recall that we have been looking at science writer Matt Williams‘ analysis of the various reasons that we do not see extraterrestrials except at the movies. We’ve listed (below) the many interesting ideas he has covered but now here’s a new one!: What if there is only a brief window during which a space-faring civilization can even develop? For the sake of the Brief Window Hypothesis, the key parameter is L. In this case, it can be defined as the amount of time a civilization can be expected to exist before succumbing to an extinction-level event. This could take the form of a natural disaster (an asteroid impact) or come in the form of self-destruction (nuclear or biological…