Barcodes are everywhere: they are as familiar as a trip to buy groceries. Now part of almost every package that crosses the supermarket, drugstore, and retail counter, bar codes and other related technology stand poised to move into many other facets of society. In their quest for better device identification, the U.S. Department of Defense and NASA are testing coding systems that pack in much more information than current bar codes. These new “two-dimensional” bar codes can squeeze in enough … Continue reading →