So many racquets and strings, so many choices. And so many player types. To help you cut through some of the gear clutter, we presented Nate Ferguson, founder of Priority One Tennis in Tampa and ...

Manual steering gears predate the Model T era. The typical layout is a column and shaft leading from the steering wheel to a frame-mounted gear mechanism. This steering shaft rotates left and right, ...

From torque converters to dual-clutch and CVTs, modern automatics take very different paths to the same job. Despite its ubiquity, the automatic transmission is one of the most mechanically complex ...