A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

A capacitor is an essential component in many electrical and electronic circuits. It stores and releases electrical energy when needed, helping regulate voltage and maintain power stability. Over time ...

Turn your camera off Carefully remove the lens or body cap and check to see if the sensor shield is down That’s all there is to it, but it’s important to note that the sensor shield will only be ...

An office breathing test typically means you blow into a machine that measures how much air your lungs can take in and how quickly and forcefully you can blow it out. These numbers tell your doctor if ...

What happens when a relative dies and a subscription doesn't get cancelled? We explain in our regular Money Problem feature, after a family discovered a service wasn't cancelled for years when their ...

Your Apple Watch Can Once Again Measure Blood Oxygen Levels. Here's How The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a year ...

Finally today... Hundreds of readers wrote in to share their stories of long-term sickness forcing them out of work after Money feature writer Brad Young looked into the trends driving the crisis. He ...

Measuring blood oxygen levels on the Apple Watch has been a staple of its health monitoring experience since it arrived. Yet, an ongoing patent dispute in the US has complicated matters over the last ...

Use our security support tool to how long mobile phones are supported with important software and security updates, and find out what to do if you're at risk A certified smartphones, tablets and ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...