Food for thought.
Tom Hartsfield has a post up at Real Clear Science criticizing both the Drake equation and SETI:
If you like science fiction, you’re probably familiar with the Drake equation. This famous one-line formula solves for the number of intelligent alien civilizations within our galaxy with whom we might be able to communicate. Supporters of the search for extraterrestrial life (SETI) often refer to the expression to bolster their case.
There’s just one BIG problem with the Drake equation. It’s completely useless! In fact, I believe it may actually misrepresent the search for ET and limit our ideas about it.
Hartsfield goes on the discuss the impossibility (at least currently) of knowing the values for each of the variables. Because of this inability to test or observe the various values, he says, the formula is non-scientific.
He then takes aim at SETI (the search for extraterrestrial…
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