Building a useful wheel isn't chipping it from stone. There is a lot of materials science and engineering evolved to make one, I wouldn't short change the effo

Building a useful wheel isn't chipping it from stone. There is a lot of materials science and engineering evolved to make one, I wouldn't short change the effort in it. Anyway who cares if tech stagnates? I'd be more worried about a backslide where we lose hard won knowledge.