Abstract: This letter proposes a tri-polarization reconfigurable diversity antenna with integrated filtering functions based on ellipse-shaped metasurfaces (MTS). The antenna consists of three layers: ...

— Lee et al. recently published the paper “Vector field microscopic imaging of light” showing intriguing maps of vectors on the nanoscale 1. It claims the first experimental mapping of vector fields ...

Will ashwagandha cure my “cortisol face”? By Jessica Grose One in seven Americans has migraines. They deserve relief. By Tom Zeller Jr. Thousands missed their first paychecks this week, with no end in ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Abstract: From basic Fourier theory, a one-component signal can be expressed as a superposition of sinusoidal oscillations in time, with the Fourier amplitude and phase spectra describing the ...

TV Kids delivers comprehensive information and analysis on the world of children's programming. It is produced by the same team behind World Screen, the leading source of information for the ...