9/11 blasts still echo in tangled files
The following article was published elsewhere in 2007, and is now preserved here. Draft 2: Energy estimate revised. Please write to krypto78 att gmail dott com to report errors or amplifications. Thanks. By PAUL CONANT Copyright May 2007 A Znewz1 special report More than five years after the 9/11 attacks, official records offer a mixed bag for those concerned about reports of explosions in the twin towers. The National Institute of Standards and Technology, which investigated the collapse of the World Trade Center towers, is withholding most of its data concerning the explosions it investigated, and transcripts of police tapes released to the public are largely missing recording times, thus impeding analysis of specific explosion reports. The issue of explosions has been a long-running area of contention between federal authorities and a number of private inquirers, some of them professors with science degrees. In 2005, the NIST suggested that the various explosio