eat you alive. >> like surf boards or jet skis or snowmobiles, gravity cars are are location dependent, so we're off in search of a hill ideally the middle of nowhere. along the way fred and i had a great discussion. we discussed the unintended consequences of eliminating risk from the human experience. unfortunately, fran's deeply troubled muffler made much of our salient points unusable and that's a shame because the conversation really was fascinating. right here, for instance, we're discussing the nuances of homeostatic risk, a controversial idea that says when mandatory safety measures are applied to an activity, we will subconsciously adjust our behavior to compensate for the added level of security, thereby returning us to the level of