1. Jedo

    How can we interpret witness reports of buckling?

    The following witness report of the collapse of 7 WTC, that included a mention of buckling, is taken from the blog, recommended by @Oystein in another thread: Undicisettembre: Did you see WTC7 collapse? What do you think of it? Did you notice anything...
  2. Mick West

    Explaining the 9/11 Murray St Engine from Flight 175 (N612UA) that hit WTC2

    When United Flight 175 hit World Trade Center Tower 2 on 9/11 some large parts of it passed through the building and landed in the streets to the north. One of these was a badly damaged core part of an engine. This landed at the intersection of Murray st and Church St. This engine has long been...