Abstract: In this letter, a linearly polarized (LP) fed all-metal dual circularly polarized (CP) planar reflectarray antenna (RA) with independent control of beams is proposed. Since a linearly ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

With the rise of cheap, worthwhile streaming services and higher internet speeds, it has become more feasible — and downright logical for most people — to join the ever-growing cord-cutting community.

Who knew that a strand of coaxial cable could be so useful on its own? While we usually use these plain-looking wires to connect equipment like modems and cable boxes, you can actually make your own ...

Meet your ticket to free broadcasts. A good one costs less than $20. Photo-Illustration: Vulture; Photos: Courtesy of retailers This article was first published September 12, 2025, and has been ...

Researchers at the University of Warsaw have unveiled a breakthrough method for detecting and precisely calibrating terahertz frequency combs using a quantum antenna made from Rydberg atoms. By ...

Satellite operators are looking north. Way north. As the US, China and others compete in space, the need for fast and frequent communication links with satellites orbiting near the North Pole is ...

This script calculates and plots the Signal-to-Noise Ratio (SNR) of a radar return as a function of range for different target Radar Cross Section (RCS) values.

The 70-meter antenna, designated DSS-14, at the Deep Space Network site in Goldstone, California. Credit: NASA WASHINGTON — One of the largest antennas in NASA’s Deep Space Network was damaged in ...

A problem with the Mars Antenna, a giant NASA radio dish in California, has disrupted the Deep Space Network's spacecraft communication efforts, as well as asteroid studies, since Sept. 16, 2025.