A set of 3 Geometry Shapes floating in mid-air with a metallic floor and a metallic graph in the background. Drawn with Inkscape. 幾何 幾何 形狀 幾何 4
Famous Mass Energy Equivalence Formula with Explanation for each symbol. Drawn with Inkscape using layers. 大眾 大眾 的 大眾-能源等價公式 2