Gold spirals protection will make identity cards, currency impossible to counterfeit

Gold nano-spirals could be the secret to security. New research suggests that spirals that are as small as a dime, and then shrunk down another 6 million times would be one of the best security measures that technology has ever allotted us. Students, as well as faculty at Vanderbilt University, managed to put together and … Continue reading Gold spirals protection will make identity cards, currency impossible to counterfeit