Discover how ice crystals and winter skies create sundogs, sun pillars and halos — and when to look up from the Nature Center ...
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 ...
(WLUK) -- Viewers throughout Northeast Wisconsin woke up Christmas Eve to see what looked like an odd double rainbow. But it was actually something much more common, even if it didn't seem like it.
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