Technosignatures Longevity and Lindy's Law
Physics > Popular Physics
arXiv:2405.00020 (physics)
View a PDF of the paper titled Technosignatures longevity and Lindy's law, by A. Balbi and 1 other authors
Abstract:The probability of detecting technosignatures (i.e. evidence of technological activity beyond Earth) increases with their longevity, or the time interval over which they manifest. Therefore, the assumed distribution of longevities has some bearing on the chances of success of technosignature searches, as well as on the inferred age of technosignatures following a first contact. Here, we investigate the possibility that the longevity of technosignatures conforms to the so-called Lindy's law, whereby, at any time, their remaining life expectancy is roughly proportional to their age. We show that, if Lindy's law applies, the general tenet that the first detected technosignature ought to be very long lived may be overruled. We conclude by discussing the number of emitters that had to appear, over the history of the Galaxy, in order for one of them to be detectable today from Earth.
Submission history
From: Claudio Grimaldi [view email]
[v1]
Tue, 20 Feb 2024 22:19:01 UTC (133 KB)
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View a PDF of the paper titled Technosignatures longevity and Lindy's law, by A. Balbi and 1 other authors
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