This is a preview. Log in through your library . Abstract A method of measuring pricing efficiency in objective, quantitative terms is presented. "Evaluation of pricing efficiency" has long been the ...

Well, OK, not exactly. A beam of light could pass through air all day long (as long as you have a layer of air 26 billion kilometers long) and not deviate a whit. But if the density of that air ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...

Optical forces, which act like an invisible "hand," are capable of precisely controlling tiny particles. Optical tweezers, a well-known tool, use this force to capture and manipulate small objects ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a Senior Producer on Decoder. Previously, he reported on the technology and gaming industries for more than a ...