Here's how car speedometers calculate how fast your vehicle is going. And here's why they may not always be accurate.

Connected devices are ubiquitous in our era of wireless chips heavily relying on streaming data to someone else’s servers.

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Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.

December 3, 2025 • The Trump administration has been firing immigration judges, despite the fact that there’s a massive backlog of immigration cases that need rulings. Ximena Bustillo, NPR’s ...