On 11/15/2014 10:25 AM, John Clark wrote:
On Fri, Nov 7, 2014 at 5:50 PM, <zibb...@gmail.com <mailto:zibb...@gmail.com>>
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%.
Or even not so exotic solar-thermal power stations which can reach 48%.
Brent
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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