The Secret Genius of Modern Life S03E03 - Rollercoaster

The rollercoaster has been sending our hearts racing and stomachs dropping for over a century, and today millions of us get our kicks on these topsy-turvy, dare-devil joyriders. Hannah gets the inside story on the UK's newest, tallest and fastest rollercoaster – Thorpe Park's Hyperia. She uncovers the wild origins of the modern day coaster and finds out how some dodgy French physics in the 19th century, NASA rocket scientists and an ambitious cartoonist called Walt delivered the ultimate thrill machine.