Ray Optics often overwhelms Class 12 students due to formulas and sign conventions. An expert board examiner explains why rote learning fails and how visual thinking, ray diagrams, and conceptual ...

Shini talks to us about optical instruments and how they make magnification possible. How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand ...

Berry Beumer from X-Ray Optical Systems or XOS shows us the optical systems that his company manufactures. In particular the polycapillary optics and doubly curved crystal optics. These are used in ...

For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking ...