The clip was originally taken in August 2024 at a hospital in Chengdu. The clip shows seven suns lined up in a brightly-lit ...

This optical illusion challenges you to spot the hidden musical note concealed among identical-looking notes. Take today's ...

This optical illusion will blow your mind. ... What is the Refraction of Light? When a ray of light passes from one medium to another with different densities, it bends i.e. changes directions.

A Refraction Illusion occurs when light bends as it passes through different mediums, such as water, glass, or air layers of varying densities.

All of these optical phenomena are merely light that has been bent and sometimes refracted so that you seem to be seeing an object in the sky. In fact, what you are seeing is not actually there.

Instead, they’re optical illusions that form from two different air densities refracting light in different ways, explains Bryce St. Clair, an optometrist at Johns Hopkins University.

Optical illusion: The clip was originally taken in August 2024 at a hospital in Chengdu. ... No, it was an optical illusion caused by the refraction of light through the layered glass pane.