IEEE

Three-Dimensional Physics-Based Channel Modeling for RIS-Empowered UAV Communications in Offshore Maritime Scenarios

Abstract: This letter develops a three-dimensional (3D) physics-based propagation model for reconfigurable intelligent surface (RIS)-empowered unmanned aerial vehicle (UAV)-to-ship communication ...
Educators Technology

AI Tools for Science Teachers: Labs, Simulations, and More

Science is a subject built on doing. Students learn chemistry through titrations, biology through dissections, physics through motion experiments, and earth science through field observations. That ...
The New Indian Express

Opposition moves 'no-confidence' motion against Lok Sabha Speaker Om Birla, backed by over 100 MPs

NEW DELHI: Opposition parties, led by the Congress, have decided to move a 'no-confidence' motion to remove Lok Sabha Speaker Om Birla, following a meeting of INDIA bloc leaders chaired by Congress ...
Boxing Scene

Sebastian Juarez is hoping to show a different dimension after classic one-round fight

Sebastian Juarez is hoping to show a different dimension after his wild first round against Demarcus Layton, though he doesn’t want to give an encore. Juarez faces Ernesto Sanchez Rodriguez in an ...
IEEE

Adaptive Disturbance Observer-Based Local Fixed-Time Sliding Mode Control With an Improved Approach Law for Motion Tracking of Piezo-Driven Microscanning System

Abstract: This study developed a local fixed-time sliding mode control (FTSMC) method based on a novel adaptive disturbance observer (NADOB) dedicated to motion tracking control for piezo-driven ...
C&EN

Symmetry-Reduction Enhanced Polarization-Sensitive Photoresponse Based on One-Dimensional van der Waals Materials

Institute of Physical Science and Information Technology and Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei 230601, China ...