Originally Posted by pierce
yeah... but that mtn bike video, it all looked pretty darn flat to me. little bumps in the terrain aren't rolling hills.
The camera is attached to your body (or some part of the bike) and doesn't move independently, so the terrain will appear flat regardless of whether you're going uphill or downhill.
Dizave opined: Why do you care where the premises come from? They are above reproach. For all intents and purposes, you can just make up all your premises, since they can't be proven anyway. That's why we need premises.