Dark spots within lightwaves break the speed of light in new research confirming a half-century-old prediction.

A dark point inside a wave of light sounds like a contradiction. It is also something researchers say they have now viewed in real time, moving so quickly that, by one measure, it outran light itself.

Subscribe to our newsletter for the latest sci-tech news updates. In this way, and almost by chance, researchers at TU Wien developed a novel microscopy technique that allows the refractive index of ...

Using light to measure ever-smaller objects has been central to progress in many scientific disciplines for centuries. As far back as 1873, German physicist Ernst Abbe proved that light diffraction ...

Consists of chapters selected and translated by C. G. I. Friedlaender and G. Aletan from the editor's Handbuch der Mikroskopie in der Technik. "Tables and diagrams to chapter by G. Rehwald" (24 p.

Voids, or empty spaces, are present in matter of all sizes, from the astronomical to the microscopic. In this study, three-dimensional nanoscale gaps were revealed using advanced mathematical and ...