Time-varying systems, materials with properties that change over time, have opened new possibilities for the experimental ...

Students use mirror equations to determine the position and type. Students use mirror equations to determine the position, type, and size of mirror images for curved mirrors mathematically. Optical ...

At the interface between two facets of an artificial crystal, sound waves can be transmitted in the opposite direction to that expected, and undergo no reflection. Such wave behaviour could have many ...

Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

The new design ' Liquid Glass ' was announced at the keynote speech of the annual developer conference ' WWDC25 ' held by Apple from 2:00 on June 10, 2025. Liquid Glass will be used in all Apple ...

URUMQI -- A 1,000-megawatt power project combining solar thermal and photovoltaic power generation has been connected to the grid in Northwest China's Xinjiang Uygur autonomous region, becoming a ...