Professor Puzzle - Einstein - Puzzle Cubes [GRA]

E= mc2. One famous equation. Five symbols. Countless implications. Einstein’s equation for mass-energy equivalence altered the way we think about energy and has provided endless technological advances.  Arrange the cubes so that each of the four sides show all of the five symbols that make up Einstein’s ground-breaking equation.  Just one piece from the Einstein puzzle range. Is your brain big enough for them all?