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 ...

Harvard will turn over I-9 forms for nearly all employees in response to an inquiry by the Department of Homeland Security, the University’s human resources office wrote in an email to current and ...

Template and reactive forms in Angular are great, yet using them through the years has revealed a few areas of improvement. This issue aims to provide feedback on some problems, hoping they can be ...

Weak form market efficiency is a concept that suggests past stock prices and trading volumes do not predict future stock prices. In a weak form efficient market, all historical information is already ...

If you are looking for an easy way to create different types of surveys, invitations or registration and signups you might be interested in learning more about Microsoft Forms. A versatile and ...

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 ...

Belle Wong is a freelance writer specializing in small business, personal finance, banking, and tech/SAAS. She spends her spare moments testing out the latest productivity apps and plotting her latest ...