Molecules move faster on a rough terrain

Roughness, the presence of irregularities on a surface, is commonly associated with slower motion and stickiness. This is true at different length scales: at human size (1 meter), it takes longer to walk along a path that ...

An engineered surface unsticks sticky water droplets

The leaves of the lotus flower, and other natural surfaces that repel water and dirt, have been the model for many types of engineered liquid-repelling surfaces. As slippery as these surfaces are, however, tiny water droplets ...

A self-powered sensor made from plants

The story of Qi Chen's research is full of serendipity. In the first year of her Ph.D., she was hanging out with friends at the University's Zernike campus, discussing the topics of their research. Chen told them she was ...

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