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Queen’s tiniest 90th birthday message – on a Corgi hair

The University of Nottingham’s Nanoscale and Microscale Research Centre message says ‘Happy 90th birthday Your Majesty’. It’s been etched on a strand of Corgi dog hair – as a tribute to the Queen’s passion for her dogs. Dr Karen Alvey told us how it was done.

(Photo: University of Nottingham)

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