About Roller Coaster
The roller coaster is a popular amusement ride developed for amusement parks and modern theme parks. LaMarcus Adna Thompson patented the first roller coasters on January 20, 1885, which were made out of wood. In essence a specialized railroad system, a roller coaster consists of a track that rises in designed patterns, sometimes with one or more inversions (such as vertical loops) that turn the rider briefly upside down. The track does not necessarily have to be a complete circuit, as shuttle roller coasters exhibit. Most roller coasters have multiple cars in which passengers sit and are restrained. Two or more cars hooked together are called a train. Some roller coasters, notably wild mouse roller coasters, run with single cars. The oldest roller coasters are believed to have originated from the so-called 'Russian Mountains', which were specially constructed hills of ice, located especially around Saint Petersburg.
Contributions by SpikeJones, BrandonR, and Evil saltine.
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