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 ...

The Powerball jackpot rose to $569 million for the lottery drawing on Monday, Nov. 17, after no one won the top prize on Saturday, Nov. 15. If a ticket matches all five numbers plus the Powerball in ...

The Powerball jackpot rose to $740 million for the Monday, Dec. 1, drawing after no one on Saturday, Nov. 29, took home the top prize. If a ticket matches all five numbers plus the Powerball in the 11 ...

My God, could you imagine trying to explain this debacle to any coal miner from 100 years ago? How we have all the safety technology a century can bring, but we’re still shoring up holes with timber?

Abstract: In this paper, we propose a pear blossom counting system with drones using YOLO (You Only Look Once) and Deep SORT (Simple Online and Realtime Tracking) for pollination system. To establish ...