New posts in Visible Light

How can we see objects with the help of light if we cannot see atoms?

Can light cause gravity?

Can you create white light by combining cyan wavelengths (490-520nm) with red wavelengths (630-700nm)?

Why is the sky *uniformly* blue?

Why does fringe width in double slit experiment remain constant if slits get narrower?

Why is wavelength of violet colour less than wavelength of blue colour?

What determines whether colors you can't see are visible or not?

Is there a layman's way of telling when someone can see into your room?

Why are blue light-emitting diodes important enough to warrant a Nobel prize?

Why does a rubber band become a lighter color when stretched?