We treat the mirror as a mundane convenience, a glass surface that exists only to reflect our vanity or assist in our morning rituals. Yet, a mirror is a strange, geometric boundary where the laws of light and symmetry intersect to create a “virtual” world. Unlike a photograph, which captures a static slice of the past, a mirror is a dynamic, real-time simulation. It is a piece of glass backed by a microscopic layer of silver or aluminum, a metallic skin so smooth that it reflects photons with near-perfect fidelity. When we look into it, we aren’t seeing ourselves; we are seeing a precise, reversed map of the light that…