In this video, I discuss the basics of using a multimeter and highlight some settings that many DIYers may not be aware of.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s ...

We're so connected to our smartphones nowadays that even when they're charging, we feel the need to use them. I have a charging cable beside my living room couch so I can fuel my phone while I scroll ...

Forward-looking: While the health-monitoring abilities of wearables have advanced enormously in recent years, there's one thing that still eludes these devices: measuring glucose levels, aka blood ...

Your phone's battery is measured in mAh, or milliampere-hours. In 2026, the standard for most phones is 5,000 mAh. How you use your phone matters more to the battery's longevity. After the camera, ...

Did you know that you can now use Windows Update to reinstall your current Windows 11 version without losing data? Yes, this new feature lets you reinstall your current Windows 11 version using ...

Six months on from Australia’s under-16s social media ban taking effect, the early verdict from headlines and children themselves has been blunt: it isn’t working. A new study published today in the ...

In many applications, a switch-mode power supply (SMPS) is the only choice because of its excellent performance, including high efficiency and high power capability. A buck step-down power converter ...

What causes the degradation of aluminum electrolytic capacitors in power-supply designs? What is ripple current and how can it influence capacitors in power-conversion circuits? Step-by-step ...

The 2025 Ram pickup truck is a powerful and feature-packed vehicle. It comes loaded with advanced electronics, infotainment systems, and smart modules. But all these features come with a hidden risk.

University of Oregon chemist Christopher Hendon loves his coffee—so much so that studying all the factors that go into creating the perfect cuppa constitutes a significant area of research for him.

Harnessing heat generated by a device itself, microscopic silicon structures could lead to more energy-efficient thermal sensing and signal processing. Heat generated by electronic devices is usually ...