What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

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, ...

There’s something about clocks — sooner or later, every hacker wants to build one. And we end up seeing all kinds of display techniques being used to show time. For the simplest of builds, 7-segment ...

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 ...

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Roy Furchgott We’ve added full reviews of our new picks: The Kidde Smart Smoke ...

Ultrasound is a non-invasive imaging technique that uses the differential reflectance of acoustic waves at ultrasonic frequencies to detect objects and measure distances. It is commonly used for ...