ZQ27, English edition

In this issue: The Science of Seeing: Been There, Done That, Wanna Do It Again by Adelheid Fischer; Fog Harp: University invention to real-world impact by Brook Kennedy, Jonathan Boreyko, and Weiwei Shi; a portfolio by Fraenzi Neuhaus; The Delft Workshops by Norbert Hoeller; ZQ Reader Survey Update by Tom McKeag, Marjan Eggermont, and Norbert Hoeller.