Inside China’s science museum visitors can try an exciting space simulator that mimics astronaut training. This rotating machine creates a realistic zero gravity experience allowing people to feel ...

Abstract: This paper presents a comprehensive study to analyze the operation of counter-rotating electric machines (CREMs). An analytical model of a counter-rotating wind generator based on the ...

Abstract: This paper explores the relationship between wind generation, particularly the control of reactive power from variable speed wind turbine generators, and the rotor angle stability of the ...

KANSAS CITY, MISSOURI, US — My previous article in the September 2025 issue of World Grain, titled “Examining cleaning machine categories,” addressed differences in wheat class and impurity physical ...