[puls]

This is the airplane of 40 years in the future?

Compare this to the past 40 years: in 1970, we had... the Boeing 737 and 747. They're still making them today.

Sure, there have been evolutionary enhancements. But that doesn't inspire a lot of confidence for future revolutions.

[corin_]

Why should developments in any area ever move at the same speed all the time? Think how long people travelled on horses and carts, and then how (relatively) quickly cars appeared.