A new type of infrared polaritons at the surface of bulk crystals

An international team has reported in Nature the first observation of ghost polaritons, which are a new form of surface waves carrying nanoscale light strongly coupled with material oscillations and featuring highly collimated ...

Physics student makes world's smallest Christmas tree

Every year, people all over the world try to make the biggest artificial Christmas tree, like the Gubbio Christmas Tree, formed by thousands of lights on the slopes of Mount Ingino, or the illumination of the 372-meter high ...

Mathematical modeling shows why animals see at night

Nocturnal and diurnal mammals see the same—but only for a brief time. When mice are born, the chromatin in the cells of their eyes has a diurnal structure. Day by day, the layout of this chromatin slowly inverts, allowing ...

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