Unconventional Flying Objects
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Paul Hill was a well-respected NASA scientist when, in the early 1950s, he had a UFO sighting. Soon after, he built the first flying platform and was able to du
Paul Hill was a well-respected NASA scientist when, in the early 1950s, he had a UFO sighting. Soon after, he built the first flying platform and was able to du
Fully updated and revised, this seminal book explains and illustrates what photographs are, how they were made and used in the past and, more particularly, what
A heated debate is raging over our nation’s public schools and how they should be reformed, with proposals ranging from imposing national standards to replaci