The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

This ultra-packable two-burner stove harnesses Jetboil's legendary quick-boiling technology into a complete kitchen for the ...

We tested six portable jump starters with built-in air compressors. Two products clearly stand above the rest.

Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely exp ...

Diagnose dead headlights with our step-by-step troubleshooting guide. Learn to check fuses, bulbs, relays, and wiring—plus upgrade tips for reliable LED replacements.

The Harbor Freight MADDOX back-probe kit lets DIYers test automotive sensors safely. Just insert between wire and insulation, ...

Vehicles have three kinds of oil lights, and each means something different. So when they come on, how long should you wait ...

The check engine light just came on with my 2014 Forester. At the same time, another warning light came on of a car with two zigzag lines behind it.

A check engine light usually isn't urgent warning, but does require some diagnosis. If the oil light comes on, however, you should take immediate action.

An AI image generator that uses light to produce images, rather than conventional computing hardware, could consume hundreds of times less energy. When an artificial intelligence model produces an ...

The Flashy Diamond is found in HQ, where players first enter the Inside Out realm. Head to the purple tunnel, where there are shelves full of ideas, and interact with the sparkles to get the Flashy ...

From precision machining to advanced microscopy, the demand for higher-power, ultrafast lasers continues to grow. Traditionally, researchers have relied on single-mode fibers to build these lasers, ...