The discovery began with an architectural puzzle: a staircase inside a Roman house that seemed to climb into empty air, its upper destination erased by time. That “stairway to nowhere” has now become ...

A Bulgarian court on Wednesday rejected Lebanon's request to extradite the owner of a ship linked to a cargo of ammonium ...

Abstract: In addition to the synchronization unit and weak grid, the current control also significantly affects the transient stability of the grid-following inverters (GFIs). Taking into account the ...

Abstract: Tackling the challenge of open-switch (OS) fault diagnostics in grid-tied three-level neutral point clamped (NPC) inverters with parameter uncertainty, this paper introduces a fault ...

The self-described idyllic life of a family of five living in an Italian forest with horses, donkeys and chickens has stalled after a court ordered the children be removed and placed in foster care.