Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

Polarized dermatoscopes offer superior image quality and ease of use but are significantly more expensive than nonpolarized ...

These XR glasses are a theme park experience waiting to happen. I checked out Disney-backed startup Liminal Space's tech in person.

A new mechanism steers diodes made of a single enantiomer to emit light of right- and left-handed polarizations ...

Accused of being biased by some, defended as a champion of impartiality by others, the BBC is once again the subject of a thorny debate about the role of a publicly funded broadcaster in an ...

Abstract: A terahertz gradient-index (GRIN) dual-polarized lens with wide-angle beam-steering is designed in this article. A novel GRIN distribution is designed by superimposing the refractive index ...

This letter presents a new K/Ka-band circularly polarized (CP) phased array antenna (PAA) using magneto-electric dipole (ME-dipole) elements. First, a novel CP ME-dipole element is proposed, combining ...

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