One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

A Cheap Soil Sensor Saved My Fragile Houseplants. Here's How ...

The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security upgrade.

Your car's tire pressure monitoring system (TPMS) can fail, but you can still drive. Learn why sensors break and what to do when they stop working.

I uncovered hidden Oura Ring data using this free tool, but I'm not fully convinced yet ...

Growing up multiracial in the 1990s, Gabriel "Joey" Merrin regularly encountered demographic forms that forced an impossible choice: Pick one box. Deny the others. "That act of being forced to choose, ...

You still have options when it comes to keeping your data and accounts protected.

This easy test can help you get a gauge on your VO2 max—without a watch. Every day as I peruse through the mountain of ...

How does a cow scratch an itch on its back? An Austrian cow named Veronika has a solution that could change how we view livestock. For the past decade, Veronika has been observed by her owner ...

In Quarantine Zone The Last Check, you must use specialized tools like the Thermopulsometer, Scanner, Stethoscope, Matioscope, and Hammer to detect infections at a zombie apocalypse checkpoint.

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...