Train passengers in the Netherlands will at some point be confronted with a delayed trip caused by a
wisselstoring, a defective switch. Sometimes it seems the dense Dutch rail network is at the mercy of the proper functioning of the lowly switches.

The next step in the development of steerable needles is preclinical research with diseased organs, said PhD candidate Nick van de Berg.

Ten thousand plastic plants in the large flume from TU Delft’s Waterlab have helped to unravel the role of riverbank vegetation on a stream’s development.