10 That Changed America - Season 2 Episode 3 -

It’s a whirlwind tour of 10 engineering feats that made our civilization possible. 10 Modern Marvels that Changed America is a show about engineers who’ve scoffed at the laws of nature. They’ve defied the naysayers — and sometimes even gravity — by undertaking amazing feats of engineering. Each story in this episode includes a fun physics lesson and a tale of human folly.