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 ...

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 ...

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 ...

If you’ve ever wondered what a single-rotor rotary engine sounds like, here’s one that makes 155 horsepower by Rob Dahm. Rob Dahm is one of those guys who make crazy builds. Just a while back, he ...

The Magnus effect is a interesting and useful phenomena. [James Whomsley] from [Project Air] decided to put it to work on a small radio-controlled boat, successfully harnessing the effect. (Video, ...