ROCHESTER, N.Y. — From time to time, it is worth taking a moment to look up at the sky as you may catch a glimpse of something unusual. Atmospheric optics can produce fascinating visual effects, many ...

An advance by North Carolina State University physicists improves our understanding of how light interacts with matter, and could make possible the development of new integrated-circuit technologies ...

Red-dot (reflex) optics have become increasingly common in both tactical and sporting applications, yet many hunters still hesitate to adopt them. Much of this reluctance stems from ...