Terrific Debunking Post

Over at Science Blogs.

These conspiracy theorists are big on pictures that purport to show that the planes supposedly "disappeared" into the buildings in a way that, according to them, was not physically possible. For example, here is one such animation. Here are more. Nearly all of them involve heavy manipulation or the dubious interpretation of what might be dust or artifacts. For example, here is a picture that purports to show the "hologram generators":

Highly recommended!