A real-time radar system built on a single Arduino. The servo rotates an ultrasonic sensor across a 150° arc, measures distances, drives a buzzer alarm when objects get too close, and streams data to ...

What do gangs, territories, cities, and glowing blue balls have in common? No, not that one drunken night you can’t seem to remember, rather a new location aware game called Urban Defender. The ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

May 30, 2026 • The Supreme Court is about to rule on whether states can ban transfeminine student athletes from playing on girls' and women's teams. But we're talking to journalist Imara Jones about ...

Pocket Seismograph turns your iPhone's built-in accelerometer into a real-time vibration measurement instrument. It displays a smooth, readable trace of what's actually happening on whatever surface ...

AI thrives on data but feeding it the right data is harder than it seems. As enterprises scale their AI initiatives, they face the challenge of managing diverse data pipelines, ensuring proximity to ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Khadija Khartit is a strategy, investment, ...

With the power of Linux installed on a Nintendo Switch, and open-source firmware called Klipper, YouTuber Cocoanix has figured out a way to speed up their 3D printing by 1000%. A model that usually ...