Thursday's thunderstorm set off my home smoke detector. And as it turns out, that's a thing.

The main reason why smoke detectors chirp in the middle of the night is actually simpler than you think: it's colder.

This article was updated with new information in December 2025. Nothing ruins a spirited drive like the sudden strobe of red and blue in the rearview mirror. We've all been there, and it never feels ...

The Valentine V1 Gen2 is capable of detecting radar and laser signals from farther away than other models I’ve tested. The V1 Gen2 offers 360-degree protection, with front and rear antennas. The ...

Have you ever driven over the speed limit (even just a bit) and cruised around a bend only to see a police car hidden behind some bushes? Here’s where having a radar detector can be invaluable. It ...

A little over a year ago we’d written about a sub $100 muon detector that MIT doctoral candidate [Spencer Axani] and a few others had put together. At the time there was little more than a paper on ...