Counterfeit bill/money detection is an everyday necessity in this world of smart printers and hi-tech criminals. Most modern bill counters, equipped with counterfeit money detection, will scan for ...

Authorities say the fake bills, often purchased online as props for music videos or films, have recently been used in ...

Researchers blaze trail to producing ultraviolet light without damaging the environment Ultraviolet light has many industrial applications, because it is one of the best ways to kill harmful bacteria.