How smartphones are unlocking our homes

Unless you’ve lived in rural Kansas all your life, you doubtlessly know what a deadbolt is. The idea behind them is ingeniously simple. A door can be made far more resistant to forced entry when it borrows the strength of the surrounding frame. Enter: the deadbolt. The deadbolt works by sliding a heavy metal bar into an opening in the frame. As a result, hundreds of … Continue reading How smartphones are unlocking our homes