Sunlight, moonlight, torchlight, and flashlight... They all come from different places, but they’re the very same thing: light! It’s what makes it possible for us to see the world around us, so it’s ...

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 ...

Wave dynamics in magnetised plasmas and the associated geometrical optics framework constitute a rapidly evolving area of research, combining fundamental physics with practical applications in ...