PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause unexpected shutdowns. Battery calibration involves fully charging to 100%, ...

When you first bring home a brand new smart TV, there's a distinct possibility it won't have the ideal picture the first time you turn it on. Everyone watches TV a little differently, including ...

If you would like to try home brewing, you need a refractometer. A refractometer allows you to measure sugar concentration in the wort. You then use this measurement to calculate the beer’s alcohol ...

We've spent the last several months testing window air conditioners and portable air conditioners and found that while window units cooled rooms faster, it wasn't that much faster. It's true that ...

I have years of experience testing top home and kitchen products. We've sent this story to your inbox. Portable air conditioners are worth buying in many situations. Many models are now designed for ...

Why is calibration important? How calibration techniques have changed over time. A timeline showing the evolution of calibration from the beginning would have to start hundreds of years ago (Fig. 1).

Portable air compressors power a variety of air tools, including inflators for tires, finish nailers for carpentry projects, and impact wrenches for auto work. Unlike full-size air compressors, these ...

We have tips for making your Mac mini into your portable computer. Photo: Cult of Mac/Fernando Silva The M4 Mac mini is so tiny that taking it on trips isn’t an unreasonable idea. With the right ...

We may receive a commission on purchases made from links. Whether you're working on the go, gaming away from your desk or just want a second screen to boost your productivity, a portable monitor can ...

As long as wind speeds are over 8mph, the Shine 2.0 turbine can generate power all day and night. As long as wind speeds are over 8mph, the Shine 2.0 turbine can generate power all day and night. is a ...