For today’s shops, having the right diagnostic equipment is essential for accuracy, efficiency and customer confidence.

Tick tracer. Glow meter. Sniffer. They go by many names, but capacitive voltage sensors are all designed to do one thing: detect the presence of voltage in a wire or piece of equipment without ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the top VPNs we've tested. I’ve been writing about ...