Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as ...

CBSE will conduct class 10 Science exam on February 25. Students scheduled to appear in the upcoming board exam, can follow these tips and tricks to memorize one of the highest-scoring topics- light, ...

A sun halo is a group of atmospheric optical effects that create glowing rings, arcs, or pillars around the Sun or Moon, caused by the refraction and reflection of light in ice crystals in the ...

Abstract: A kind of transmission–reflection-integrated elements and metasurfaces (MSs) are proposed to achieve full-space manipulation of amplitudes, phases, and polarization states of electromagnetic ...

Abstract: In this article, we propose a low reflection folded waveguide (LRFWG) as the slow wave structure (SWS) for the development of a terahertz (THz) traveling-wave tube (TWT). Our simulation ...