Thought for the month

“You do ill if you praise, but worse if you censure, what you do not understand.” Leonardo da Vinci, Italian Renaissance polymath (1452 – 1519).

Wednesday, 6 July 2016

Nano-watermark

Ever bought a fake Rolex or counterfeit Chopard? Probably not, but recent work by EPFL based start-up Nanoga may reduce the chances even further. The team has developed a deposition and photolithographic technique to put a nanoscopic watermark onto glass. The nano-watermark being visible under ultraviolet light. Initially developed for high-end sapphire crystal watches, the company has patented a system of photonic watermarks for glass, ceramic and metal.

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