Physicists at Peking University have uncovered a new way to confine light far beyond conventional limits — without relying on ...

Q: What are diffraction gratings? A diffraction grating is an optical component for spectroscopy that splits light into different wavelengths. A typical diffraction grating has thousands of grooves ...

Chemists at the University of Iowa have created a three-dimensional lattice that captures water from the air and stores it.

A new website housing documents the Pentagon is releasing on UFOs has a retro feel, with black-and-white military imagery of flying objects displayed prominently and statements in typewriter-like font ...

Light triggers water traps: UV light reshapes the MOF crystal’s internal structure, creating cavities that store airborne water molecules. Potential for dry regions: The technique could help address ...

Details are emerging in a new batch of files on UFOs that the Pentagon began releasing as President Donald Trump taps into ...

Buzz Aldrin observing a “fairly bright light source” while aboard the Apollo 11. A mysterious object making “multiple ...

Metasurfaces and metalenses are advancing high-resolution imaging, providing exceptional light control and improving ...

A viral video from Bogor, Indonesia, shows a rare iridescent cloud shimmering with rainbow colours. Learn the science behind this atmospheric phenomenon and how light diffraction creates these ...

Optical super-resolution resolves 137 nm features, matching SEM performance and exceeding a standard 100x objective.

Files on UFOs, released Friday, May 8, 2026, by the Pentagon, are photographed in Washington. (AP Photo/Jon Elswick) ...