On Fri, Jan 23, 2015 at 10:28 PM, meekerdb <[email protected]> wrote:
On 1/23/2015 11:44 AM, John Clark wrote: > > >> A jet engine works better than a prop engine in an airplane. I give you > a prop engine and tell you to turn it into a jet, but you must do it while > the engine is running, you must do it in one million small steps, and you > must do it so every single one of those small steps immediately improves > the operation of the engine. Eventually you would get an improved engine of > some sort, but it wouldn't look anything like a jet. If the tire on your > car is getting worn you can take it off and put a new one on, but evolution > could never do something like that, because when you take the old tire off > you have temporarily made things worse, now you have no tire at all. With > evolution EVERY step (generation), no matter how many, MUST be an immediate > improvement over the previous one. > > > The general idea is right, but it's NOT the case that every change must > be an improvement. It is only the case that it must not make things worse. > Yes, I'll concede that point. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
