Your car’s check engine light doesn’t have to be a mystery. With an OBD2 scanner, you can tap into your vehicle’s computer, read trouble codes, and even monitor live data before problems get worse.

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for analog circuits, but can fall short with programmable logic. Tools like ...

From mysterious check engine lights to hidden performance issues, OBD2 scanners are the modern driver’s secret weapon. These handy devices plug into your car’s diagnostic port to read trouble codes, ...

Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely ...

PCWorld explains how to revitalize your computer’s performance without expensive hardware upgrades through software optimization and maintenance techniques. Key methods include enabling XMP/EXPO ...

A computer monitor is like any other piece of hardware — it won't last forever. That's not to say you should wait until your monitor dies to upgrade to a new one. Even if your current monitor ...

TOKYO—Atsuyoshi Koike dreams of making computer chips on the moon. First, though, he has to prove he can do it on earth. Koike is the public face of Japan’s multibillion-dollar effort to muscle back ...

WSJ’s Robert McMillan breaks down why residential proxy software is so bad, and how to check whether the malware is installed on your home network. Photo: Sean Havey The price might be right, but if ...

Turning a computer off or putting it to sleep may be a matter of personal preference or habit. It's faster to close a laptop's lid or have a desktop enter sleep than shutting down either type of PC.

In February, Perplexity launched Perplexity Computer, an agentic AI service that can execute end-to-end tasks for users. Now, the company has extended its functionality with tax modules that allow it ...

Epia Neuro’s brain-computer interface will include a motorized glove to help stroke patients recover movement in their hand. Stroke is one of the leading causes of long-term disability, with roughly ...

You may have noticed that Windows 11 is going through a bit of a midlife crisis. There is a perception that Microsoft has prioritized cramming more AI features into the OS instead of fixing its many ...