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Re: Dinosaurs are not mammals



Rob Meyerson wrote:

> >> The [Ceratopian] fenestra have NOTHING to do with jaw muscles. If
> >> the frill had anything to do with the jaw muscles they would have
> >> broken their frills because they are so lightly built.
> >
> >I disagree with this claim, for two reasons: First, muscle load would
> >be transmitted along the entire edge of the fenestra (lengthening the
> >perimeter while keeping the same load).

 Then Tracy Ford wrote:

> Oh, why am I even bothering. I've talked to actual, real life, 
> paleontologist about this. I've told you what is the right way, but you 
> continue to believe the opposite. 
> 
> Muscles need area's to attach to, right? IF the jaw muscles attached to 
> the frill like you say, on the frill, around the fenestra, there is a 
> BIG problem. The middle of the muscle has to attach to something but 
> there is a hole, there is NOTHING there to attach to. It wouldn't work.

There are many people talking about "stresses","loads", etc. and most of
them elude the physical and mathematical treatment of the argument. 

I think that a suitably specialist to ask about the stress distribution
on a ceratopian fenestra is not a Paleontologist but a Mechanical
engineer (specialized on biomechanics, best).I am almost sure that he
would agree with Mr.Meyerson. 

By the way:

> I've told you what is the right way, but you continue to believe the
> opposite.

sounds more Religious than Scientific. 

Yours: Hernan Toro (An skeptical electronics engineer )