Ever had that nagging toothache and wondered if it’s more than just a simple cavity? Maybe your dentist suggested a dental CT scan, but the question in your mind is “How long does a dental CT scan ...

We’re going old-school with this week’s Tech 911 column—Lifehacker’s weekly Q&A where we solve your quirky technological issues. While plenty of people now use their smartphones as their default ...

As New Year’s resolutions go, “going paperless” is a perennial Top 10 contender, somewhere between “lose weight” and “save money.” But if you’ve ever resolved to digitize your documents before, you’ve ...

3D scanning is becoming much more accessible, which means it’s more likely that the average hacker will use it to solve problems — possibly odd ones. That being the case, a handy tool to have in one’s ...

A positron emission tomography (PET) scan is an imaging technique that uses small amounts of radioactive substances. Doctors may use PET scans in chemotherapy treatments for cancer. PET scans help ...

Don't rush to a repair shop; learn how to use the free Lenovo Vantage app to run a full hardware scan on your laptop and find out what's wrong ...