Tập
Modern Marvels: Episode 46
Tóm tắt
One of the most useful machines ever created, the crane is a simple but important combination of the pulley and the lever. Though cranes have been helping us build civilization from at least the time of the Egyptian pyramids, the modern steel-framed construction cranes are a relatively recent development. Put on your work boots as we ride through the history of cranes from ancient days to skyscraper construction sites, ocean-freighter docks, and the International Space Station.
Chi tiết
- Phim bộ
- Modern Marvels
- Mùa
- Mùa 9
- Tập
- Tập 46
- Ngày phát sóng
- 2002-10-08
- Thời lượng
- 44 min
Thông tin tập
Episode 46 là tập 46 trong Season 9 của Modern Marvels. Tập này phát sóng ngày 2002-10-08. Thời lượng là 44 min.
Tập trước / tập sau
Tập 45
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Tập 47
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