Home security has seen a resurgence in the past few years thanks to how easy it has become to install and use smartphone and tablet-based systems. As such, the ubiquity of low-cost hardware and Bluetooth ...

The Premise. In the 21st century, a lot of innovation and engineering has gone into making artificial light less energy-intensive, longer-lasting, and more natural to the health of the eye. But why do our lightbulbs ...