Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ...

In the late 1960s, stores began barcode pilot projects that used vastly different types of bar code symbols. One of the symbols was the original bull’s-eye bar code, which by that point was ...

Apple today introduced SF Symbols 5, a new version of the library of iconography that it provides to developers for use in apps. The icons have been created to integrate with San Francisco ...

Electrical Print Reading provides a fundamental overview of common electrical prints and symbols. The most common prints are pictorial, one-line, schematic, and wiring diagrams. Pictorial diagrams use ...

The ionizing radiation symbol, featuring three curved blades emanating from a central point, has been used since 1946 to warn workers, scientists and the public of the presence of radioactive material ...