Paper cutters can cut both ways: A really good one will make a project much more streamlined, and the end product more attractive, but a so-so cutter will add time and result in a sub-par product. But ...

Two rotating wheels slice paper the way an open scissors does occasionally. Absolutely marvelous for cutting wrapping paper ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...