Abstract: Angular momenta of electromagnetic waves are important both in concepts and applications. In this work, we systematically discuss two types of angular momenta, i.e., spin angular momentum ...

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Online forms are an excellent way to conduct research, collect feedback, test knowledge, and more. Here’s how to use Microsoft Forms to create surveys, feedback forms, quizzes, and other interactive ...

Google Forms is a free online software for creating surveys and questionnaires. You need a Google account to create a Google Form, but anyone can fill out a Google Form. You can personalize your ...

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Your browser does not support the audio element. The code in this story is for educational purposes. The readers are solely responsible for whatever they build with ...

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Angular is one of the most popular Javascript frameworks out there. On the other hand, Material UI is a library that provides us with a large collection of ready-made components such as buttons, ...

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