Roller Coaster Testing | I Didn't Know That

Before taking thrill-seekers on a heart-racing ride, a state-of-the-art roller coaster is rigorously tested every morning in order to be declared fit for use. ➡ Subscribe: bit.ly/NatGeoSubscribe About I Didn't Know That: Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector. Get More National Geographic: Official Site: bit.ly/NatGeoOfficialSite Facebook: bit.ly/FBNatGeo Twitter: bit.ly/NatGeoTwitter Instagram: bit.ly/NatGeoInsta About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Roller Coaster Testing | I Didn't Know That    • Roller Coaster Testing | I Didn't Kno... … National Geographic youtube.com/natgeo

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