Warming oceans and melting ice are weakening the Atlantic Meridional Overturning Circulation, a key system that regulates global climate. Scientists warn that continued slowdown could trigger abrupt ...

Abstract: In this letter, we have proposed a two-dimension (2D) non-contact optically levitated nano-conveyor belt based on the photonic nanojet (PNJ) effect of microspheres array which is embedded in ...

Abstract: The idler roller is the bearing device of the belt conveyor, whose health status is crucial for the efficient transportation of materials in coal mines and other industries. In this article, ...