"And then I got myself some copper etching plate ... was impossible to achieve accurately without using a flat mirror with a concave mirror or a refracting lens. [Gallery: Hidden Gems in ...

Two early painted self-portraits are also made on copper—an unusual choice of ... able and more willing to invest in larger concave mirrors with greater focal lengths. “His ability to maintain ...

Architect and designer Manu Bañó explores the reflective qualities of copper with his OBJ-08 mirrors, launched as part of the Unique Design X fair at Mexico City art week. Produced by hammering ...

When visitors look at it from one side all appears normal but when they walk around to the other they appear upside down because it is a concave mirror. The sculpture's curved surface bends ...

In Sener’s attempt at the ray, he set up a heating lamp facing four small concave mirrors, each tilted to direct light at a piece of cardboard with an X marked at the focal point. In this ...