going to see time and time again. >> all right. let's listen back to the testimony happening with dr. rao under cross. >> could that have been a different impact? >> it's possible, yes. >> it's possible, yes? >> consistent, correct. >> how much of a distance are there between those two points of impact? >> i think it's not just the disattentidi distan distance. one has to look at the curvature of the head when you are -- when i'm giving an opinion, i'm not only looking at the distance between the two contusions, but i'm looking at the contour of the head. >> that's what i was curious about. let's talk about that. the contour of the head is somewhat sphere-like, is it not? >> oval, yes. >> oval. so if you have two points on a sphere or an oval, correct -- >> correct. >> it's convex, is it not, the skull? >> yes. >> if you have two points two