Snack Snack A snack is a small service of food and generally eaten between meals. Snacks come in a variety of forms including packaged snack foods and other processed foods, as well as items made from fresh ingredients at home. Traditionally, snacks are prepared from ingredients commonly available in the home without a great deal of preparation. Often biscuits, chocolate, cold cuts, fruits, leftovers, nuts, popcorn, sandwiches, and sweets are used as snacks. The Dagwood sandwich was originally the humorous result of a cartoon character's desire for large snacks. With the spread of convenience stores, packaged snack foods became a significant
Henry A. Bumstead 1891 he obtained the bachelor's degree and continued at Johns Hopkins as an assistant in the physics laboratory and a graduate student. He studied thermodynamics, electrostatics, and the electromagnetic theory of light. Henry Bumstead became an instructor at the Sheffield Scientific School of Yale University in 1893, working with Charles S. Hastings. At the same time he became a student of Willard Gibbs, learning vector analysis and continuing the study of thermodynamics and the electromagnetic theory of light. He was awarded the Ph.D. in 1897, composing a thesis "A Comparison of Electrodynamic Theories". Bumstead became an assistant professor in 1900.