Critical theory (Alan Blackwell's research theme)
Wiki page summarising research by Alan Blackwell with students and collaborators
Recent publications on this topic can be found at: http://www.cl.cam.ac.uk/~afb21/publications/index.html?showonly=critical
I believe that technology design researchers should be prepared to engage in a critical technical practice (as Philip Agre phrased it), considering a wide range of philosophical, artistic and social commentary on the design enterprise.
This is not work that requires (or attracts) funding, and as a result, I am not able to accept students in this field.