New posts in Optics

How does light combine to make new colours?

Why do metals have high optical reflectivity?

Why do I see a saddle in this picture of a computer screen?

Weird Reflection Pattern in Reading Glasses

Is it possible to apply a torque without a moment arm?

How do you measure small change in the angle of polarisation of a light beam? What is the smallest measurable angle?

why does the graph of deviation angle in a prism doesn't get a symmetry?

Can air make shadows?

Can a virtual object exist without an observer?

How do we know that bending of light around stars is due to bending of space-time and not diffraction?