Annealing involves heating a metal or alloy below melting point, a process that makes the metal or alloy more workable. It also removes impurities, therefore increasing ductility and reducing hardness ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — A passenger riding in a 2021 ...

To celebrate the 3-wheeler Polaris Slingshot’s tenth anniversary, Polaris introduced four 2025 models with a redesigned front end, upgraded audio systems, and greater drivability. The Slingshot has ...

The Polaris Slingshot is a cross between a motorcycle and a road-legal go-kart. It's closest to a track-ready, three-wheeled tricycle, offering plenty of power, nifty handling, and a car-like driving ...

After a decade of production, the Polaris Slingshot has embedded itself into the global vernacular of thrill-seekers. Equal parts motorcycle, jet ski, and sports car, the three-wheeled Slingshot ...