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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To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...

OXFORD — The CREATE Technology and Innovation Center is now accepting registrations for its next round of free commercial construction training courses, continuing a popular program aimed at preparing ...

The administration of President Donald Trump has ordered the creation of "quick reaction forces" in each state, composed of about 500 National Guard members per state, according to reports from The ...

Votebeat is a nonprofit news organization reporting on voting access and election administration across the U.S. Sign up for our free weekly newsletter to get the latest. State election officials are ...

A confusing contradiction is unfolding in companies embracing generative AI tools: while workers are largely following mandates to embrace the technology, few are seeing it create real value. Consider ...

In a quest to bolster a long-running claim from President Trump concerning undocumented immigrants illegally voting, the Justice Department is seeking detailed voter roll data from over 30 states. By ...

Have you ever been overwhelmed by messy spreadsheets or struggled to collect data in an organized way? Imagine a scenario where instead of juggling multiple tabs and rows, you could guide users ...

Artificial intelligence can provide much-needed "too long, didn't read" relief by creating quick notes on lengthy emails, PDFs and more. Rachel is a freelancer based in Echo Park, Los Angeles and has ...