Millennium Force Bizarro) at Six Flags New England held the top two places in the Golden Ticket Awards from 2001–2015, often swapping positions. Fury 325 has occupied the top spot since 2016. In the Travel Channel's "Insane Coaster Wars", Millennium Force was voted the "fan favorite" in the "Extreme Heights" and "The Top 10" categories. In 2013, "Time" ranked Millennium Force as the top roller coaster in the United States. Millennium Force Millennium Force is a steel roller coaster located at Cedar Point amusement park in Sandusky, Ohio. Manufactured by Intamin, it was the park's fourteenth roller coaster dating back to the
MKM steel MKM steel MKM steel, an alloy containing nickel and aluminum, was developed in 1931 by the Japanese metallurgist Tokuhichi Mishima. While conducting research into the properties of nickel, Mishima discovered that a strongly magnetic steel could be created by adding aluminum to non-magnetic nickel steel. The developers claim MKM steel is tough and durable, inexpensive to produce, maintains strong magnetism when miniaturized and can produce a stable magnetic force in spite of temperature changes or vibration. MKM steel is similar to Alnico. MKM is an acronym for Mitsujima ka magnetic, 'Mitsujima ka' being the name of the inventor's childhood home.