Smart plugs can add controls to any outlet, but they aren’t perfect for everything. Here’s our guide to using one and which ...

Scam "power saving" devices are rampant online. These devices plug into an outlet and promise to "improve the use of energy," "extend the life of electrical equipment," and even "avoid illegal ...

The last time you scrubbed a streaky window or polished a porcelain appliance, you probably used a chemical called ammonia.

PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...

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Windows 11 has a built-in report that provides insight into your laptop's battery health, including whether a replacement is actually needed.

We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

Abstract: This article proposes a method for reducing the loading effects when a dc voltage or current is measured in a linear circuit with a digital multimeter (DMM). In the proposed method, the ...

A technician going at an appliance with a multimeter can seem like techno-wizardry, even if they're doing something as boring as diagnosing a dishwasher that isn't drying dishes. The magic is actually ...

[Piffpaffpoltrie] had a problem. They found the InLine VA40R to be a perfectly usable multimeter, except for a couple of flaws. Most glaring among these were the tiny sockets for the test probes.