Drawer full of USB cables? This tiny tester tells you which ones actually work as advertised

The Treedix multifunction USB cable tester quickly identifies which cables still work and which ones belong in the recycling bin.
The Cannigma

510 Battery Guide for Beginners: Everything You Need to Know in 2025

If you're new to vaping or cannabis oil cartridges, understanding 510 batteries is essential for getting the best experience.

Check batteries in smoke alarms, carbon monoxide detectors as clocks fall back

Before you go to bed - remember to turn your clocks back one hour!The Iowa City Fire Department is also saying now is a good ...

We put the best portable power stations to the test. Here's which ones provide the most power

We rigorously tested eight top portable power stations from Jackery, Anker, Bluetti, EcoFlow, and more in our lab to find out which ones are the most efficient.

How Do Metal Detectors Work?

In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...