We still are not close to designing any self-replicating machine. That is still pure science fiction.
“Some may ask, ‘What is the origin of the engineers? Therefore I don’t believe that this machine has been designed.’”
I also have a scheme that I believe can defeat the generalized second law. My scheme is called “intelligence.”
That Darwinism seems even superficially plausible depends completely on the ability of living things to reproduce themselves without significant degradation.
You do not need to study mutations for thirty years to predict that bombarding plant chromosomes with radiation will not lead to major agricultural advances.