I'm reading Randall Munroe's book How To: Absurd Scientific Advice for Common Real-World Problems. I probably don't have to tell you this, but it's awesome (as is everything from Randall Munroe, the ...

Parallel lines close parallel lines Lines which never meet and stay the same distance apart. Parallel lines are indicated by a pair of arrows. are two or more straight lines that remain the same ...

What Is a Vehicle's Approach Angle? The approach angle is defined as the angle between the front tires touching the ground and the lowest part of the front of the car, usually the front bumper. The ...