We all know the sheer convenience of flashlight apps in a quick pinch. While your iPhone’s native utility may prove itself worthy when you’re fumbling in the dark in search of light, they’re far from ...

Here's a little known fact: The human body, at any given moment, produces energy equivalent to a 100 watt light bulb. In that sense, we're always wasting our energy—energy that can be used to, well, ...

It looks a little like a speaker built out of an old-school lunchbox, but this project by YouTuber Brian DeContreras is actually a 100-watt LED flashlight he built ...