Einstein’s E=mc² Equation on a Classic Chalkboard #1530537 (License: Personal Use)

A classic green chalkboard with a natural wood frame displays Albert Einstein’s mass-energy equivalence formula, E=mc², in bold white chalk. The board shows subtle texture and slight imperfections, evoking an authentic classroom setting; one corner of the board is peeled back, revealing layered wood grain beneath. This stylized illustration blends realism with educational charm.

Used in educational websites, science articles, physics course pages, or museum exhibits to visually represent foundational modern physics concepts; targets students, teachers, and science enthusiasts seeking intuitive, engaging visuals.