Photography may, at a cursory glance, appear to dwell in the domain of the humanities and artistic expression but it is a vital tool to science as well. When it comes to understanding the vastness of the cosmos or the structure of a cell, we rely on imagery to help us better understand the natural world around us. But how do the technologies that give us these images actually work? How do we make the invisible visible and what developments might we expect in the years to come? Jack Challoner, an independent science writer and the author of more than 40 science books the latest of which is ‘Seeing Science: The Art of Making the Invisible Visible’. He joins Jonathan to discuss.

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