Season 15, Episode 25 Secrets of Oil
First Aired: July 31, 2008
A history of oil and its many uses and by-products are examined. Included: a tour of Vulcan Materials to see how asphalt is made; the Rolls-Royce Aerospace facility where jet-engine fuel is created; and a California oil refinery. Also: the invention of Vaseline.
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- Premiered: December 10, 1993
- Rating: TV-PG
- Premise: Architectural and engineering landmarks of the 19th and 20th centuries. The programs previously aired on A&E's `Time Machine' series. Among the subjects: the Brooklyn Bridge, the Maginot Line, the Erie Canal, the Aswan Dam and the Trans-Siberian Railroad. (more)