What is an ion? An ion is a particle such as an atom or a molecule that has a charge; it could be negative or positive. Everyone has heard the expression “opposites attract”, well ions of opposite charges also attract. What is rust? Most metals have iron and have a positive...
An updated reference published by the Institute of Packaging Professionals (IoPP), Naperville, Ill., describes tools to develop and manage a successful sustainable packaging program. Completely updated by Rebecca L. Oesterle, immediate past chairperson of IoPP's Sustainable Packaging Technical Committee, the 167-page book includes several new chapters. An in-depth case study illustrates...