The passenger-side mirror of every modern car in America bears the same warning: “Objects in mirror are closer than they appear.” Ever wondered why? It’s no design fault; it’s actually a safety ...

The U.S. currently requires that rearview mirrors installed as original equipment in the center and driver-side positions be flat. There has recently been interest in ...

A spherical mirror is that mirror whose reflecting surface is the part of a hollow sphere of glass. Spherical mirrors are of two types: concave mirrors and convex mirrors. In a concave mirror ...