A nonlinear, conservative system having two degrees of freedom is considered. The potential energy is subject to certain restrictions which are consistent with the strain energy of springs. Then, the ...

In a study published today in Nature, researchers at UCI's Center for Chemistry at the Space-Time Limit describe how they positioned the atomically terminated silver tip of a scanning tunneling ...

Panta Rhei – everything flows – said Heraclites, describing the impermanence of the world. He might well have said “everything vibrates”. From subatomic particles to the farthest reaches of the cosmos ...

The last few years have shown progress in finite-element analysis intended for use by design engineers. Many programs that work with CAD provide several different types of analysis, and the range of ...