Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
This was Professor Hoselitz's contribution to the International Seminar on Education of Physicists for Work in Industry held recently, in Eindhoven, and reported on page 1279.