When light passes through materials, it typically changes direction and bends in predictable ways. This change in direction, known as refraction, is caused by a change in the speed of light as it ...

Myopia has become a major global public health concern, with rising prevalence and earlier onset among children worldwide. Excessive eye elongation during childhood increases the risk of irreversible ...

Myopia has become a major global public health concern, with rising prevalence and earlier onset among children worldwide.

The speed of light varies in materials, impacting fiber optics, laser systems, and semiconductor lithography through complex ...

A team of scientists led by Academician Professor Xiang Zhang, President and Vice-Chancellor of The University of Hong Kong ...

Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as if defying the law of physics. This phenomenon, known as negative refraction ...

Tamron has been issued a patent in Japan for a 28-70mm F2 lens. The patent was granted today (30th October 2025) after being applied for back in April last year. According to the patent, Tamron wants ...

Raul is a freelance writer with four years of writing and editing experience in games journalism. Currently, he is a News Writer at Game Rant and the Managing Editor of Final Weapon, a Japanese gaming ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Abstract: The opportunity to engineer negative refraction in arrays of identical dielectric resonators (DRs) has been demonstrated. Coupling between DRs and periodicity of arrays are considered as the ...