The most valuable item in the sale, an etching from 1643 by the Dutch Old Master Rembrandt van Rijn titled The Three Trees, ...

A Rembrandt etching which went under the hammer as part of an auction of internet entrepreneur and philanthropist Hugo Burge’s collection has sold for £225,200. Mr Burge, who died in 2023 aged ...

Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surface of the semiconductor by a ...

The Rembrandt etching went under the hammer (Stewart Attwood/PA) A Rembrandt etching which went under the hammer as part of an auction of internet entrepreneur and philanthropist Hugo Burge’s co ...

Hundreds of regular patterns spontaneously emerge on a small germanium chip. A curiosity about tiny dots on a germanium wafer ...

Using a specially developed etching apparatus, a team at HZB has now produced mesoporous silicon layers with countless tiny pores and investigated their electrical and thermal conductivity.