From Democritus to Einstein, we have assumed the world is made of tiny building blocks of matter. But the more we’ve looked for them, the more they’ve disappeared. Will we give up thinking that the world is made of particles at all, or are they necessary for us to have a viable account of it?

PART TWO: In this interview with Closer to Truth's Robert Lawrence Kuhn, philosopher Hilary Lawson explains his theory of closure and demonstrates how we can have useful and effective ways of intervening in the world even though we don't have truth.

Hugely influential in the latter decades of the 20th century, postmodernism transformed many academic disciplines and culture at large. But it left many lost, and in the wake of a polarising post-truth world, there is a widespread recognition that we need to move on.