Roller coaster riders in Crandon, Wis., were stuck upside down for hours : NPR
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Fear of Roller Coasters
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The Ins and Outs (and Ups and Downs) of Roller Coaster Engineering – Sphero
That sinking feeling – what the plunge of a roller coaster causes
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10 Surprising Things People Lose on Roller Coasters | MapQuest Travel
Twists, turns, thrills and spills: the physics of rollercoasters – Physics World
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Professor Roller Coaster - The New York Times
People on Roller Coaster, Santa Monica, California, USA - Stock Photo - Masterfile - Rights-Managed, Artist: Blue Images Online, Code: 700-02156936
Loop Shapes in Roller Coasters
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Can Pregnant Women Ride Rollercoasters?
Every Roller Coaster At Hersheypark! 4K Front Seat POV! - YouTube
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Materials Used in Roller Coasters
Reopened Theme Parks Ban Screaming on Roller Coasters. Riders Are Howling. - WSJ
To Fight Floundering Attendance, SeaWorld Turns To Roller Coasters : NPR
A Wild New Roller Coaster Opens in Georgia - The New York Times
