The quality of performance expected of a drivetrain requires that accurate measurements be taken of the parts and these measurements be compared to the manufacturer's specifications as a guide for ...

Never forget this: There is a tool for everything. And not just a general mixed-use tool. There is a tool specifically designed for the job you’re doing. Take rulers, for example. They’re one of the ...

In 1631, the mathematician Pierre Vernier invented an instrument that could be used to measure lengths and angles with unprecedented precision 2. The Vernier scale — a sliding, secondary scale that ...