Ancient Type II supernova discovered from universe's first billion years

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...
EurekAlert!

Important new source of oxidation in the atmosphere found

Hydroperoxides are strong oxidants that have a significant influence on chemical processes in the atmosphere. Now, an ...
IEEE

Two-Phase Efficient Channel Estimation for Passive Double-RIS Assisted MIMO Systems

Abstract: In order to improve communication quality in some heavily blocking scenarios, the double-reconfigurable intelligent surface (RIS) is introduced, then there are more channel coefficients to ...

Aqueous Announces National “Celebrating the Wines of Hungary” Campaign as U.S. Consumer Interest in Heritage-Driven Wine Categories Grows

Aqueous Spirits, a U.S.-based importer specializing in premium Hungarian wines, today announced the launch of its national “Celebrating the Wines of Hungary” campaign, a coordinated initiative ...
IEEE

Performance Analysis of STAR-RIS-Assisted Cell-Free Massive MIMO Systems with Electromagnetic Interference and Phase Errors

Abstract: Simultaneous Transmitting and Reflecting Reconfigurable Intelligent Surfaces (STAR-RISs) are being explored for sixth-generation (6G) wireless networks. A promising configuration for their ...