The $0.50 Forever stamps celebrate the role of science, technology, engineering and mathematics (STEM) education in keeping our nation a global leader in innovation. Designed to pique the curiosity of the viewer, each of these four stamps features a collage of faces, symbols, drawings and numbers that represent the complexity and interconnectedness of the STEM disciplines.
S. The science stamp includes parts of both a molecule model and the periodic table of elements as well as a sine wave.
T. The technology stamp features circuitry and binary code.
E. A schematic design resembling that of the command and service modules of the Apollo spacecraft can be found on the engineering stamp.
M. Mathematics is represented by numbers, letters, symbols, and equations, including an infinity symbol, a dodecahedron, pi, and an equals sign.
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