The printmaking technique of lithography gained popularity in the 19th century as a process faster and cheaper than copper engraving or woodblock printing. When color lithography was introduced, it ...

The Library of Congress houses an online collection of 48 color photographs of Rome taken in the 1890s. The prints were created using the photochrom pro ...

WILLIAMSTOWN — The vibrantly colored advertising posters of Jules Chéret and Henri de Toulouse-Lautrec are synonymous with Paris' Belle Epoque period, but those beloved, iconic prints may never have ...

(Nanowerk Spotlight) A new generation of lenses ('metalenses') is starting to replace bulky curved lenses with simple, flat surfaces that use nanostructures to focus light. These flat surfaces ...