Getting good at LeetCode Java isn’t just about solving problems; it’s about having a good plan. You need to know where to start, what tools to use, and how to keep going when things get tough. This ...

Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...

Abstract: Thermal waste heat scavenging has garnered significant attention in recent decades. In this study, we developed a thermoelectric module using earth-abundant elements and evaluated its power ...