Abstract: This paper introduces a horizontally polarized, low-profile loop antenna. The antenna features a printed circular segmented loop loaded with capacitor varactors. By adjusting the capacitive ...

Scientists have been working for the last few years on enhancing concrete – arguably the most common construction material on the planet – to store energy. That includes researchers at Massachusetts ...

The Anti-Defamation League has removed an online resource guide about extremism, one day after Elon Musk escalated a wave of right-wing criticism against the group by criticizing an entry. The ...

The last time Senate Democrats found themselves taking the blame for a government shutdown, they quickly caved. That’s less likely to happen now. By Carl Hulse Carl Hulse has covered decades of ...

Abstract: A four-beam, quad-polarized transmit-array (TA) antenna is proposed, which can simultaneously radiate x-polarized (XP), y-polarized (YP), left-hand circularly polarized (LHCP), and ...

The author has attended public events for social movements mentioned in this article. These experiences did not involve any funding, employment, or formal affiliation, and the analysis presented here ...

Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, China ...

MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai Frontiers Science Center of Digital Optics, Institute of Precision Optical Engineering, and School of Physics Science and ...

Tim Collins was on his way to teach a class on presidential leadership and American democracy when news broke that conservative activist Charlie Kirk had been shot. By the time the University of ...