Modern Marvels
World's Biggest Machines 4 (12x35)
Udgivelsesdato: Aug 02, 2005
From a giant machine press that stamps out an entire car body to a 125-ton chainsaw that cuts through the world's hardest rock; from a huge telescope that glimpses the ends of the known universe to the world's largest rock crusher. Join us for a workout of the world's largest machines, and take a long look through the lens of the world's biggest optical telescope, the Keck Observatory, atop 13,800-foot Mauna Kea in Hawaii.
- Premieret: Nov 1992
- Afsnit: 851
- Følgere: 75
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