On Fri, Nov 7, 2014 at 5:50 PM, <[email protected]> wrote:

> > photosynthesis in this universe always finds the most efficient
> path where there are many others.
>

That is incorrect. Using natural sunlight the maximum theoretical
efficiency in turning water and CO2 into glucose and free oxygen
(photosynthesis) is 11%. For real plants the specific biochemical steps
used varies according to species and so the efficiency ranges from 3 to 6%,
nowhere near the maximum. But this shouldn't be surprising, Evolution never
finds the perfect solution to a problem because it doesn't need to, it just
needs to find a solution that's better than the competition.

By the way, typical solar cells are about 20% efficient, and some very
exotic (and very expensive) ones can reach 40%.  Which just goes to show
that human intelligent design beats the hell out of random mutation and
natural selection even though it had 4 billion years to work on the problem
and we've only been working on it for a decade or two.

  John K Clark

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