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 ...

If your battery is dying on you, the cause might be what's known as parasitic drain. Here's what it is, how it happens, and what you can do to prevent it.

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 ...

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Getting ready for a summer of backyard parties? These are the best Bluetooth speakers for alfresco audio ...

Learn how to place your projector, choose the right screen, manage lighting, and set up audio for a true 100-inch+ movie ...

Every generator and power station has two numbers listed on it: starting watts (sometimes called surge or peak watts) and running watts. Both refer to how much power a generator can deliver, whether ...

Host Chris Gammell invited me to his popular podcast, The Amp Hour, to share stories from over 30 years covering electronics ...

This easy test can help you get a gauge on your VO2 max—without a watch. Every day as I peruse through the mountain of ...

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure sleep directly but instead infer states of slumber from signals like heart ...

They’re harnessing it to help directors prepare, debate, and decide. by Stanislav Shekshnia and Valery Yakubovich In 2014 Hong Kong–based Deep Knowledge Ventures formally appointed an algorithm to its ...