Have you ever wondered why stars appear to “twinkle” in the night sky? These fast and seemingly random changes in the color and brightness of stars arise from how light interacts with different layers ...

Geometric optics is a confusing subject for many physics students, who often first encounter the subject in introductory college physics classes. Traditional instruction in geometric optics is not as ...

A new method predicts leaf optical properties from traits, improving canopy light modeling and photosynthesis estimates in ...

Once seen as a basic, utilitarian product feature, today automotive headlamps are becoming much more innovative — and a critical source of competitive differentiation. Intelligent headlamps, which ...