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Engineers have created a patent-pending method that creates layered perovskite nanowires with exceptionally well-defined and flexible cavities that exhibit a wide range of unusual optical properties beyond conventional perovskites. ....
Scientists experimenting with some of the most fundamental laws of physics have found more evidence of what they're calling photonic time crystals (PTCs): materials in which the speed at which light moves (the refractive index) oscillates very quickly. ....
A recent study published in the journal Nanophotonics shows that the refractive index, which is the ratio of the speed of electromagnetic radiation in a material to that in a vacuum, can be adjusted quickly enough to produce photonic time crystals (PTCs) in the near-visible region of the spectrum. ....
Photonic time crystals could open the door to a new branch of optics phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Нерухомість: як за три роки змінилась вартість квартир на вторинному ринку gazeta.ua - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gazeta.ua Daily Mail and Mail on Sunday newspapers.