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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Value stream management involves people in the organization to examine workflows and other processes to ensure they are deriving the maximum value from their efforts while eliminating waste — of ...

Free radicals have a terrible reputation. These reactive and unstable molecules have been associated with cancer, aging, and degenerative diseases such as Alzheimer's. Yet the body constantly produces ...

Can you imagine running an online store without being able to contact your customers or process their payments? Most of the time, collecting this crucial data is relatively seamless through a simple ...

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 ...

In today’s fast-paced world, reacting quickly can feel like a badge of honor. Leaders are applauded for jumping in, solving problems, moving fast. As a former corporate executive and management ...

This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...