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

In an era where autonomous navigation, medical diagnostics and remote sensing are rapidly evolving, traditional ...

This study explores the in situ synthesis of gold nanoparticles within 3D-printed optical fiber probes, enhancing their ...

"Whoever is flying them is complying with FAA rules to put blinking lights, so as not to collide with other aircraft, or vice ...

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 ...

Photonic space-time crystals are materials that could increase the performance and efficiency of wireless communication or laser technologies. They feature a periodic arrangement of special materials ...

Courtesy Buffalo AKG Art Museum Many works suggest genealogical affinities between Op art and contemporary digital art. Casey ...

Could some of the drone-mania that has gripped the state over the last few weeks be due to simple errors of vision, mistaken identity, optical illusion ... Then there is a phenomenon called ...