Abstract: A 1-bit reconfigurable reflectarray antenna (RRA) capable of simultaneously radiating left-handed circular polarization (LHCP) and right-handed circular polarization (RHCP) beams is proposed ...
Four specs wearers spent weeks ordering and testing frames to find the best online prescription glasses in 2026. See the five retailers we recommend.
Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength), it is easy for humans to see how these colors are used in animal ...
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Why sun glare can be so dangerous, and why it’s worse in fall and winter
Meteorologist Caitlin Kaiser explains why sun glare can be most dangerous during certain seasons and specific times of day.
A modest increase in image quality was observed with polarized dermatoscopes vs ambient-light dermatoscopes for patient-performed teledermoscopy.
Macron was delivering a speech on geopolitics as leaders debated the latest tremors caused by Donald Trump’s renewed interest in Greenland. He criticised Washington’s tone, defended European ...
Abstract: This article presents a wideband dual-circularly polarized (CP) Luneburg lens (LL) multibeam antenna for 6G or satellite communication applications. The antenna system consists of six ±45° ...
French President Emmanuel Macron on Tuesday addressed the World Economic Forum in Davos, Switzerland. While he spoke about European solidarity amid US President Donald Trump’s threat to annex ...
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