Yes, NIST and their lunatics for hire have posed a number of whacky theories that require leaps of faith to be believed. Here is a more likely explanation:
[url=http://911research.wtc7.net/essays/thermite/blasting_scenario.html]A Hypothetical Blasting Scenario[/url] A Plausible Theory Explaining the Controlled Demolition of the Twin Towers Using Aluminothermic Incendiaries and Explosives with Wireless Ignition Means Jim Hoffman