WASHINGTON -- At the age of 74, retired roller coaster designer Werner Stengel still spends his days riding the latest loop-de-loops. "Trying to explain the thrill of a roller coaster to someone who ...
Introduction Have you ever ridden a roller coaster? Have you ever wanted to design your own? There are plenty of expensive toys and even video games that will let you build your own coasters—but in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results