We’ve got a new unit from Cardo that fits perfectly with Schuberth helmets, joining a new filing courtesy of CFMoto and new ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...

Bevel gearing is another way of dealing with intersecting gear shafts. For bevel gears, the teeth centers lie on the surface of an imaginary cone, which is the "pitch cone" of the bevel gear. Two ...

Raw concrete in the Tokamak assembly pit has given way to the smooth shiny surface of white paint. Teams have been working to complete the job in this 25,000 cubic-metre space since early March; now ...