Evolved from both simpler winged aircraft and simpler rockets.
All the base components that went into the space shuttle still existed on a line of technogical progress from the basic to the advanced. Actually, the space shuttle followed Gall's Law precisely.
The lift mechanism was still vertically stacked chemical rockets of the sort that had already flown for decades. The shuttle unit was built from components perfected by the Gemini and Apollo programs, and packed into an aerodynamic form based on decades of aircraft design.
Reducing technologically, the shuttle still depends on simple systems like airfoils, rockets and nozzles, gears, and other known quantities.
The lift mechanism was still vertically stacked chemical rockets of the sort that had already flown for decades.
The Columbia shuttle crew would still be with us if this were correct.
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.