Thought for the month

“You cannot have freedom without a rule of law ... and if you don't have it, what you tend to get is corruption and that is death to freedom, it's death to truth, it's death to honour, it's death to democracy.”

Margaret Thatcher, 1 October 1996.

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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