Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

July 7, 2026 • Pete Hegseth's Pentagon has been dismantling diversity initiatives and blocking the promotions of high-ranking Black officers. This week, Parker talks with The Atlantic's Clint Smith, ...

Hackers love a good clock build, but its longer term cousin, the calendar, is more seldom seen in the wild. Regardless, they can be just as useful and elegant a project, as this cryptic design from ...

[Kelton] from Build Some Stuff decided to create a clock that not only had kinetic elements, but a healthy dose of Rube Goldberg inspiration. The result is a work in progress, but one that looks ...

June 16, 2026 • After nearly 10 years of planning and construction, the Obama Presidential Center is opening on the South Side of Chicago — right across the street from an under-resourced high school, ...

I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and recommendations for game consoles and accessories, smart displays, smart glasses, smart speakers, soundbars, TVs, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Joshua Lyon Joshua Lyon is a writer covering home and decor. He requires nine ...

Chances are, you’ve heard of the police code 10-4, which means “affirmative” or an acknowledgment of a message. But if you hear a police officer say 10-33, there’s a police emergency underway. However ...