truck bomb under the WTC planted by 4 'iraqi's' would have done fine) #91 Agreed. Being a very bad (but scientifically rather competent) teenager I made thermite myself and burnt through a paving slab. It glowed for a second before rapidly cooling. Those 'hot spots' could have been burning photocopiers for all that rather dubious video shows Comment number 98. jon112uk, the point of a new investigation would be to investigate the evidence of explosives of several types. If controlled demo was used, why would they limit themselves to only one type of charge? There is nothing predicating that more than one type of explosive would not be used. If in fact visual, physical, and audio evidence exists, which is surely does, that explosions occurred it is certainly encumbent on researchers to investigate what they were. If eyewitnesses saw, heard, experienced explosions, that evidence should be evaluated, corroborated with other eyewitnesses and with the physical evidence. Your "scrutiny" is pretty lacking IMHO. This link provides useful information on the implementation of satellite based navigation systems for major commercial aircraft a full 13 months prior to 9/11: Comment number 100. It's clear this producer is biased in his view already. Therefore this program is not impartial, though it will do it's best to look like it is. The first program was made by zdf enterprises. The head of zdf.ent, Mr A Caridass has worked for and has very close ties to Fox broadcasting. This is elitist propaganda masquarading as fact, promoted