| Usually
when you look in the mirror, the result is familiar - a perfect reflection of yourself.
Looking at you and your reflection, everything is exactly symmetric. However, in the world
of subatomic particles, mirror images don't always behave as you'd expect.
Particle physicists talk about symmetry being violated, a particular
example is the violation of 'CP' symmetry.
Everything you ever wanted to know about CP violation and never dared to
ask |