Newcastle University's Theta-probe XPS machine (IMAGE)

Newcastle University

Newcastle University's Theta-probe XPS machine

Caption

A state-of-the-art Theta-probe XPS machine – the only one of its kind in the world - being used by experts at Newcastle university, UK, to analyse surfaces similar to the standard kilogram to assess the build-up of hydrocarbons – and how to remove them.

Credit

Mike Urwin, Newcastle University

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