Megastructures
How it's built: Steel (2006x15)
Ημερομηνία προβολής: Σεπ 21, 2006
It's man made and one of the strongest materials on earth. Explore the science behind steel and the innovations it has made possible -- from the Brooklyn Bridge to the tools for medical miracles.
- Πρώτη προβολή: Σεπ 2004
- Επεισόδια: 162
- Ακόλουθοι: 11
- Τρέχων
- National Geographic
- Τρίτη στο 20