Would you feel confident in buying US-made LiFePO4 (LFP) batteries? While the answer here is generally expected to be ‘yes’, ...

An AirTag battery failure at the wrong time can leave your gear vulnerable. Elevation Lab's Time Capsule solves this problem.

Learn how to diagnose and properly install a one-wire alternator with higher amperage in this easy-to-follow guide. Whether you're upgrading your electrical system or replacing a faulty alternator, ...

For the $5 I'd paid for it, that would have been cool. But alas, apart from being a useless scam, it's quite innocent. I tore mine apart, and inside is very little. Inside the plastic box is a circuit ...

Open any parts catalog (or online) and you will see all kinds of electric cooling fans for sale. “Get a 16” radiator fan for ...

As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what this year's cold, flu and coronavirus season will look like, experts want ...

Americans can no longer order free at-home COVID-19 tests from the government through COVIDtests.gov. The suspension of the program, which has distributed over 1.8 billion COVID tests across the ...

As you find and pay to unlock the first Bench in Sinner's Road in Hollow Knight: Silksong, you'll realize it's actually broken. You haven't spent all those Rosaries for nothing, though; there's a way ...

Gynecologists have strong opinions about whether these tests are helpful or harmful to women looking for evidence that they’re nearing or in menopause. At-home menopause tests, also called hormone ...

A simple at-home brainwave test can detect signs of memory impairment linked to Alzheimer's disease years before clinical diagnosis is typically possible. This feat has been demonstrated by ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...