[hat_man]

Not wanting to be the uneducated latecomer to this “discussion” but as for the “xxx years of evolution…” angle I do have a comment.

The evolution of these tubercles occur on an animal that lives its entire existence in the water, not in the air. Are we trying to say these tubercles would somehow be a benefit to thing’s (I don’t know……vehicles?) that only spend their entire existence moving through the air and not the water? Do we find these tubercles on birds or other similar animals that move through the air?

I assume there are similarities in aero dynamics and fluid dynamics, (I’m not smart enough to state this as fact) but are they the same? Do the findings of one directly apply to the other?

I can agree with evolution, but why didn’t “air creatures” develop these these tubercles if it cuts drag by that much? “Air creatures” would be able to fly faster and use less energy with tubercles, right?

Just my .02