> As you pointed out, the calculations, which anyone can verify > in their own home from video and a stop watch, that the > towers fell at nearly the standard rate of acceleration due > to gravity. Errr... Hang on, I didn't say anything about the towers. I was on about building 7. The towers were big enough that I don't want to claim that I understand how they should act. Building 7 is a much smaller, all steel frame building, which was, as far as I have heard, undamaged by anything else. --- James. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist