In the world of smart locks, retrofits occupy a unique, useful space. They're cheaper than a full deadbolt replacement and fit over your current deadbolt to give it smart features -- not a bad deal, ...

According to the latest rumors, the upcoming Apple M5 iPad Pro could come with dual-front facing cameras, a first for the iPad.

Types of lightning Cloud-to-ground bolts are common—about 100 strike Earth’s surface every second. Yet, their power is extraordinary. Each bolt can contain up to one billion volts of electricity.