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 ...

Update: A minibus spending package passed by the House of Representatives on January 8, 2026, effectively cancels the Mars Sample Return program by eliminating almost all funding for future missions.

In the rxResource example, params: () => this.userId() should be: params: () => ({ userId: this.userId() }), since the following line references params.userId ...

You can clone the repo and use the code as you see fit. Or you can follow the instructions in this article to create your own project. JC Lango is a UI Architect and Developer for many large-scale web ...

In Sarah Yuska’s sixth-grade science class at Monocacy Middle School in Frederick, Maryland, students are just finishing up learning about body systems—respiratory, circulatory, skeletal, and so on.

Last week, Google announced its Pixel 10 phone lineup, which includes the Pixel 10, 10 Pro, 10 Pro XL and 10 Pro Fold. The standard Pixel 10 saw the most significant camera changes, while the three ...

Let's be honest, we're all drama queens sometimes. Whether you're texting your bestie you're “literally dying” over the latest celebrity gossip or declaring on social media that Monday mornings are ...

Marc Santos is a Guides Staff Writer from the Philippines. He's a seasoned writer with over four years of industry experience, and he is an enjoyer of all things difficult in gaming. If Marc's not ...

Michael Dong recently discussed sample preparation (SP) techniques for small-molecule drug substances and solid dosage forms. This article provides a primer for both novice and experienced analysts on ...

NASA’s troubled Mars Sample Return program is stuck at a crossroads—and is likely to remain in limbo until at least 2026—agency officials said at a press briefing on Tuesday. To bring this precious ...

The agency is considering two possible MSR strategies but won't pick a winner for another 18 months or so. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...