In this video, I take a multimeter and show you how to use various functions on the multimeter on how to test a few different ...

Believe it or not, not all USB ports yield the same amount of power, but here's a $10 gadget that can show you which ones you ...

Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

'Energy Vampires' Are Real, but Not Every Device Drains Power Like You Think ...

Water quality can affect spray efficiency as well, with suspended solids clogging strainers and corroding nozzles. A simple water testing strip is an inexpensive means of evaluating pH, which even at ...