Nick Szabo  🔑

@NickSzabo4 @cinnamon_carter Be that as it may, what does that have to do with linearity of genomes as clocks and that paper's model?

@gwern @cinnamon_carter Linearity is just a good initial way to avoid "and now a miracle occurred" assumptions that plague these debates.

@NickSzabo4 @cinnamon_carter Arggh. No, the linearity drives the entire extrapolation beyond Earth in that paper!

@gwern @cinnamon_carter Prokaryote-like fossils appear as soon as Earth bombardment ends.

@gwern @cinnamon_carter Thinking about genomic complexity & chemical ability shows effective impossibility life originated then & there.

@NickSzabo4 @cinnamon_carter If it appeared before, how could you ever know? The bombardment censors observations. That was what I meant.

@gwern @cinnamon_carter We should reason from what we know: chemical abilities of metabolisms and the genomic complexities those require.

@NickSzabo4 @cinnamon_carter Which we don't know. How many different distinct theories and metabolisms are there now?