Abstract: The refracted, reflected, and scattered signals from global navigation satellite systems (GNSSs) have been successfully used for remote sensing (RS) of the Earth's surface and atmosphere, ...

An urgent recall has been issued for a toy sold in TK Maxx and Homesense after it was found to contain 'trace levels of asbestos'. The retailers are urging anyone who has bought the affected toy to ...

This paper investigates the potential improvements in Free Space Optics (FSO) communication systems using Particle Swarm Optimization (PSO) and the Pachycondyla Apicalis Algorithm (API). FSO ...