"Upon quitting the marbles to pass on to the other more remarkable stones, who can for a moment doubt that the magnet will be the first to suggest itself? For what, in fact, is there endowed with more marvellous properties than this?" -- Pliny the Elder, historian, 77
Science Daily: Analyzing Food and Beverages With Magnetic Levitation.
ScienceDaily (June 24, 2010) — Scientists are reporting development of a new use for magnetic levitation, or "maglev," the futuristic technology best known for enabling high-speed passenger trains to float above the tracks. In ACS' bi-weekly Journal of Agricultural and Food Chemistry, they describe putting maglev to use in an inexpensive sensor for analyzing food, water, and other beverages.