"Physicists have run the numbers. . . ."

And just who, Sweetie Pie, are these physicist, exactly? Name names. And some details on their qualifications would also be in order.

I've seen those videos over and over again, and from several different angles, and robomatic is exaclty right. The collapse of both buildings started at the points of impact, with the tremendous weight of many floors above them. If they hadn't collapsed at the rate they did, that would have been most peculiar.

Don Firth