Abstract: A backward-wave oscillator (BWO) is an intense electromagnetic source based on an interaction between an electron beam and a backward wave. In this study, a surface wave is excited as a ...

The Coast Guard is scrambling to insist it is not changing its policy after it was set to downgrade the swastika and noose to “potentially divisive” symbols before quickly reversing course and ...

Learn how to type or insert the sum (Σ) symbol in Excel to make your spreadsheets cleaner and easier to read. Perfect for formulas and reports. #ExcelTips #SigmaSymbol #ExcelTutorial #Formulas ...

The San Antonio Police Department is investigating what officials are calling a "high-profile case" that involves the murder of a 78-year-old man. SAPD Chief William McManus said the man was stabbed ...

Have you ever stared at an Excel spreadsheet, overwhelmed by its complexity, and thought, “There must be a better way to do this”? You’re not alone. Despite being one of the most widely used tools for ...

Long before she began cutting and layering paper into mystical tableaux, Sunny Redmond was shaping stories through the lens of a camera — and in front of it. Her exhibition, "Pho Real Imaginings," on ...

Thousands of Confederate symbols are standing in public spaces around the nation despite ongoing efforts to have them removed or renamed. More than 2,000 Confederate symbols, including 685 monuments, ...

The calculation of a river water surface profile is a very important problem in the field of hydraulic engineering. With the development of research on surface and groundwater coupled simulation, the ...

Use the following suggestions if your Surface laptop shows a battery symbol on the screen and is stuck on that screen. Perform a hard reset Use another charger and monitor the battery indicator ...

One of the big questions surrounding the launch of the Microsoft Surface Pro (2024) and new Copilot+ PCs is how well those laptops will run the broad ecosystem of Windows applications. So will they ...