Electronics & Semiconductors

Green electronics: Circuit boards from renewable raw materials

For many years, Thomas Geiger has been conducting research in the field of cellulose fibrils—fine fibers that can be produced from wood pulp or agricultural waste, for example. Cellulose fibrils hold great potential for ...

Engineering

Engineers 3-D print smart objects with 'embodied logic'

Even without a brain or a nervous system, the Venus flytrap appears to make sophisticated decisions about when to snap shut on potential prey, as well as to open when it has accidentally caught something it can't eat.