Eyewitnesses filmed a spectacular light effect over the Chinese capital last week. There appeared to be three 'suns' in the ...

OPTICAL phenomena of a peculiar nature appeared here on the 25th and 26th inst. On the 25th, shortly before sunset, the atmosphere, which was exceedingly clear except in the west, was suffused ...

They speculated that a total of 10 balls formed the pyramid's base, followed by six on the second tier, three for the third, ...

Sun pillars are a beautiful atmospheric phenomenon that can sometimes be seen at sunrise or sunset. Watch this video to learn more about how they form. Xi was unusually frank in spelling out China ...

Some optical phenomena depend on the quantum nature of light and the interaction of light with matter. Geometric optics and physical optics are models that describe phenomena while ignoring properties ...

By Whitney Barnes Staff Writer On Thursday afternoon, Dec. 12, at around 4 p.m., the skies over Marshall were adorned with ...

Optical activity refers to the phenomenon where light's polarization rotates as it passes through specific materials. This effect arises fundamentally from the 'nonlocality' of optically active ...

Solid-state optical cooling is a prominent example that leverages a very unique phenomenon called anti-Stokes (AS) emission. Usually, when materials absorb photons from incoming light, their ...

THE arc through the sun described by Mr. C. J. P. Cave 1 can only, I fear, be identified with the horizontal circle and not with some rare tilted arc. Its identity is clear from the fact that it ...