Question: what area of science are you involved in?

Tim Hollowood answered on 11 Nov 2013:

I am a theoretical physicists who works in the area of particle physics and gravity. In particular, I’m interested in the very deep questions and the deepest one is how to achieve what Einstein failed to do, that is unify his theory of gravity with the theory of very small things called quantum theory. A lot of physicists believe that there is an answer caller “string theory” and I spend some of my time working on that.