No this isn’t about dogs that are relaxing in the sun. This Weather Kids lesson is about sundogs! Some may say they’re the best friend of atmospheric optics. What are atmospheric optics? Atmospheric ...

Understanding diffraction and dispersion is key to optical science, influencing technologies like spectroscopy, fiber optics, ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

IN such elementary text-books on geometrical optics as I have consulted it has always seemed to me that the writers have found a difficulty in presenting a precise direct proof of the theorem that ...

It’s fire season in the West, which also means it’s the season for some of the most spectacular sunsets of the year. But why? What is it about smoke that makes a sunset more intense? Interestingly, it ...