Fault detection and isolation (FDI) is currently considered a crucial way to increase the reliability of modular multilevel converters (MMCs), which consist of a large number of power electronics ...

In this article, an open-circuit fault diagnosis and fault-tolerant control method of power switch for a coupled-inductor-based Aalborg inverter, where no additional sensors or diagnostic circuits are ...

Core engineering plays a vital role in the construction of efficient non-fullerene acceptors. Here, we synthesized a molecule named QX, based on the core of quinoxaline, and by replacing the H atoms ...

AP International How the humble water gun became the symbol of Barcelona’s anti-tourism movement by JOSEPH WILSON, Associated Press - 06/16/25 6:11 PM ET ...

How the humble water gun became the symbol of Barcelona’s anti-tourism movement by: JOSEPH WILSON, Associated Press Posted: Jun 16, 2025 / 06:11 PM EDT Updated: Jun 16, 2025 / 06:11 PM EDT ...

How the humble water gun became the symbol of Barcelona’s anti-tourism movement by: JOSEPH WILSON, Associated Press Posted: Jun 16, 2025 / 05:11 PM CDT Updated: Jun 16, 2025 / 05:11 PM CDT ...

Still, the number of Barcelona protesters carrying water guns was a minority — and in the gun-toting group, many were only shooting in the air or at each other. One dad was toting his baby in a ...

BARCELONA, Spain (AP) — A group of tourists were sitting at an outdoor table in the Spanish city of Barcelona, trying to enjoy their drinks, when a woman raised a cheap plastic water gun and ...

How the humble water gun became the symbol of Barcelona’s anti-tourism movement by: JOSEPH WILSON, Associated Press Posted: Jun 16, 2025 / 06:11 PM EDT Updated: Jun 16, 2025 / 06:11 PM EDT ...