On Oct. 8, the Federal Reserve is scheduled to release a new $100 bill, the latest in a series of government efforts since 2003 to protect our paper currency from counterfeiters by redesigning the ...

Three and a half centuries after Rembrandt’s death, questions persist about his creative process, including the pace at which he often reworked the surface of a copper printing plate to create ...

Watermarks might not be the best way to prevent people from stealing stock photos online. At least, that’s what a Google research paper presented at the 2017 Computer Vision and Pattern Recognition ...

Watermarking began in Italy in the 13th century when papermakers used these marks to identify their handiwork. Eventually, specialized watermarks were commissioned. To impede forgery, for instance, ...