Abstract: The Holomorphic Embedding Load-Flow Method (HELM) suffers from poor convergence in large-scale, heavily loaded three-phase unbalanced distribution networks, while the fast and flexible HELM ...

NASA announced it had found the source of a helium flow blockage that forced it to roll the Artemis II rocket back from the launch pad at Kennedy Space Center and delay its lunar fly-by mission until ...

The rocket will be removed from the launchpad in order for technicians to investigate and fix a malfunctioning helium system. By Kenneth Chang A day after NASA officials optimistically said they were ...