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 ...
Eric C. Le Ru is at the MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6140, New Zealand.
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 ...
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