View Single Post
Old 10-07-2008, 08:30 PM   #33 (permalink)
jamesqf
Master EcoModder
 
Join Date: Jun 2008
Location: Earth
Posts: 5,209
Thanks: 225
Thanked 810 Times in 594 Posts
Quote:
Originally Posted by Big Dave View Post
People do stuff for a reason, sport.
Sure, but sometimes the reason is "well, we've always done it this way", or "it's not worth the bother of changing".

For an aviation-related example, consider winglets. NASA developed these back in the '70s, and showed that they reduced drag, but it's only in the last couple of years that most of the 737s flying over my place have begun to sport them. How come Boeing didn't put them on 20 years ago, but the airlines are doing it now?
  Reply With Quote