Big History Season 1 Episode 6 - Defeating Gravity

Airdate: 2013-Nov-16

Episode summary:

Flight takes more than wings. We need the right kind of air, the perfect materials cooked up over billions of years, and cosmic forces that are just right for us to leave the ground without tumbling off into space. Big History reveals how planet Earth is the perfect planet for flight.

About Big History series:

Each episode of Big History will begin with an iconic topic from the pages of traditional history such as the Great Pyramids, The Titanic or the Am...Show more >