Officials say a massive avalanche of garbage at Indonesia’s largest landfill has killed at least five people and left several others missing after heavy overnight rain triggered the collapse.

Abstract: High-power microwave (HPM) sources with low guiding magnetic fields are urgently demanded for portable applications owing to their compact volume and low energy consumption. However, their ...

Abstract: This paper designs energy-efficient flight trajectories for a rechargeable uncrewed aerial vehicle (UAV) with battery capacity limitations, performing data collection from widely distributed ...