If one says ‘Red’ (the name of a colour) and there are 50 people listening, it can be expected that there will be 50 reds in their minds. And one can be sure that all these reds will be very different. Josef Albers The Interaction of Colour (1963) This is a rather complex post but I hope […]

Read more "Chromatic aberration, working through colour models, and coming to terms with epiphenomena"

When viewed from the imposing ramparts of Fort de la Bastille, from a great height and at a distance of about 2 km, The European Synchrotron Research Facility (ESRF)* in Grenoble seems tiny. With one eye closed it can be easily viewed through the space encircled by a curled index finger and thumb. As I […]

Read more "To Discover and Understand: a research visit to the ESRF (Part I)"