3D printing has evolved to a point where dual extrusion isn’t really that special anymore. A few years ago, a two-color frog print would have been impressive, but this isn’t the case anymore. The ...

Scientists have demonstrated a new optical security element that not only combines microprints with invisible inks, but also makes them colorful. Scientists have demonstrated a new optical security ...

Formlabs, a pioneer in desktop stereolithography (SLA) 3D printing, has unveiled two materials that the company hopes will transform the landscape of additive manufacturing: Color Resin V5 and True ...

Viewing bank notes under ultraviolet or infra-red light is a common check for counterfeits. Doing so causes invisible inks to glow visibly and is one of the most tried and tested tricks in optical ...