Eager students used a microscope calibration ruler to measure their aluminum “uncuttable” pieces accurately. First, they strategically positioned the transparent ruler on the microscope's stage. Directly atop this ruler, they placed their pieces of aluminum foil. Students determined the foil pieces ' exact dimensions using the ruler's precise 0.1mm X 0.1mm grid. Their keen observations yielded measurements such as 0.7 mm X 0.25 mm, 0.45 mm X 0.25 mm, and 0.5 mm X 0.2 mm. Such meticulous methods ensure the students gain a tangible understanding of atomic structures.