From psychology to cancer research: researchers in the Netherlands are increasingly citing publications that do not exist. Since the release of ChatGPT, the proportion of articles containing ‘ghost references’ has increased sevenfold. An investigation by De Groene has also highlighted two cases in Delft.

When it comes to impressive civil engineering projects, it doesn’t get much more exciting than a tunnel between the African and European continents. Tunnel boring machine manufacturer Herrenknecht studied the technical feasibility of this project on behalf of the Spanish government and concluded: “go ahead with the job.” We asked TU tunnel expert Wout Broere: is it actually possible?

What do you do when your solar cells are already so efficient that further development runs up against a limit? Stop? Or devise a new route? At the Photovoltaics Materials and Devices research group (Faculty of EEMCS), they chose option two. Professor of solar cells Olindo Isabella: “What if you stack two innovative cells on top of each other?”