The physics behind the perfect size of a jet engine.
posted by blacklotus90 8 years 3 weeks ago • 845 views • 2:04Videos (22) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Youtube Description: This 50 minutes long BBC documentary film is aired in the year 2011. The BBC film says it is the first and the most technological advance in the world, ancient chariot racing, the... continue reading
posted by oohlalasassoon 1 decade 1 year 4 weeks ago • 556 views • 48:32