Rotor will release a groupset for road, gravel and mountain bikes later this year, BikeRadar can reveal. The brand is best known for its chainrings and power meters, and previously made hydraulic ...

Japanese engineers built a magnet-free electric motor with a plastic rotor, opening a surprising path for future machines.

Steam turbine rotors bend during operation, but the bearing and supports are designed to keep the static and dynamic forces under control. However, bending can cause impact between stationary and ...

Rotor Technologies is now in production on a full-size unmanned helicopter for civilian use. Based on the Robinson R44 Raven II, the R550X flies for more than three hours, at speeds up to 150 mph (241 ...

Arizona's Rotor X wants to step up from being the world's biggest kit helicopter manufacturer and get into the eVTOL game, and to do so, it's put forth a design it claims is "dramatically more ...

Rotor syndrome is a rare and typically harmless genetic condition affecting the liver. It causes jaundice, mild yellowing of skin and eyes, and generally doesn’t need treatment. Rotor syndrome is a ...

Helicopters stand among the many reasons why aviation is as important as it is today. These aircraft occupy various niches worldwide, ranging from extensive military applications, such as helicopters ...