Roller coaster engineer Korey Kiepert appears on WIRED to answer the Internet’s burning questions about roller coasters and their designers. How do roller coasters work? Who invented the first roller coaster? How are roller coasters tested? What is the tallest and fastest roller coaster in the world? How do they stay on the rails while traveling at high speeds around a track? Engineer Korey Kiepert answers all these questions and more in Roller Coaster Support. Director: Jackie Phillips, Director of Photography: AJ Young, Editor: Richard Trammell, Cast: Korey Kiepert, Line Producer: Joseph Buscemi, Co-Producer: Paul Gulyas, Production Manager: Peter Brunette, Production Coordinator: Rhyan Lark, Casting Producer: Nicholas Sawyer, Camera Operator: Lucas Vilicich, Sound Mixer: Paul Cornett, Production Assistant: Lauren Boucher, Post Production Supervisor: Christian Olguin, Post Production Coordinator: Ian Bryant, Supervising Editor: Doug Larsen, Additional Editors: Jason Malizia; JC Scruggs Assistant Editor: Billy Ward Gold Reef City photo taken by NOLWEEN and used under Creative Commons 3.0 license: https://creativecommons.org/licenses/by-sa/3.0/ Wildcat Coaster photo taken by WILDCAT1 and released into the public domain by the author.