Tim Farron visits St Andrews during campaign tour of Scotland

The video tutorial introduces an X-ray photoelectron spectrometer used for analyzing surface composition. It explains the high vacuum conditions necessary for its operation and the placement of samples. The instructor interacts with students about their exams and discusses the potential impact of Brexit on universities.

What is the purpose of the X-ray photoelectron spectrometer mentioned in the text?

Describe the vacuum conditions under which the equipment operates.

What type of sample is mentioned in the context of the spectrometer?

What is the significance of the phrase 'mission critical' in the context of the discussion?

What concerns are raised regarding Brexit and its impact on the university?