Techtool Lite is a free Mac diagnostic app from Micromat that gives everyday users a broader health check than Disk Utility.

A 2023 Tesla Model 3 rental with an LFP battery tested at 90% health at 26,000 miles, which seems like a lot for a three-year ...

Generally, LiFePO4 (LFP) batteries are quite safe and stable, but it’s still possible for something to go wrong, even ...

Let’s get one thing out of the way. I’m your resident science writer. Alien comets, tiny universes, and body parts are the ...

A $50 USB-C cable tester revealed which of my cables were actually useless. I happily got rid of them and haven't looked back.

After testing 75+ laptops in the past two years, we created this regularly updated guide to the best Windows laptops, featuring the greatest devices from Dell, Lenovo, HP, Framework, and Acer.