Groups are everywhere. And it doesn't take a lot of effort to spot them, if you look. This article describes how one can locate groups easily. No knowledge except the definition of [[group]], [[subgroup]], [[trivial group]] and [[Abelian group]] is required.
Groups as symmetries==
===Symmetry from a geometric perspective===
Symmetries of an object is measured by the set of transformations that map the object to itself. Object can be replaced by a structure, or rule. We're used to thinking of symmetries of concrete objects (like mice, clocks, and historical monuments). But in physics, we're interested in the symmetry and invariance properties enjoyed by ''laws''. In chemistry, we're interested in the symmetries of small things like molecules.