Water purification can be performed in a number of different ways. You can vapor distill it, treat it with chemicals, or even pump it through an array of filters. Each method has its own set of pros ...

Imagine a microscopic locomotive moving back and forth along a track, propelling itself without any external force. At the molecular level, this concept forms the foundation of molecular motors -- ...

Fast-scanning atomic force microscopy imaging of the molecule at two different time points shows positional shifts along the polymer chain on the left. On the right, the molecular structure of PEG ...