30% less-polluting means little for air quality when cracker volume goes up, say scientists

Gurgaon: Green crackers, with 30% less emission and that too in laboratory conditions, will make little difference to air ...
New Scientist

We’re finally reading the secrets of Herculaneum’s lost library

A whole library’s worth of papyri owned by Julius Caesar’s father-in-law were turned to charcoal by the eruption of Vesuvius.
IEEE

Pilot-Based Codebook Artificial Noise for Enhanced Physical Layer Security in MA-Enabled MIMO Systems

Abstract: This letter introduces pilot-based codebook artificial noise (PCAN) into movable antenna (MA)-enabled MIMO communication systems. It investigates the problem of optimizing secrecy capacity ...
IEEE

Tri-Level BCD Optimization in OIRS-Assisted MIMO-VLC for Enhanced Physical-Layer Security

Abstract: This letter addresses the physical-layer security (PLS) challenge in multi-input multi-output (MIMO) visible light communication (VLC) systems. Existing solutions often overlook VLC-specific ...