Powered by ultra-wideband, the next generation of smart locks will turn your phone into a key — that you never have to use.

Prism+ is best known for displays, not locks — and putting a hole in your door for an experiment isn't for the faint of heart. But that's what I did, so you don't have to be a guinea pig. Thankfully, ...

Currently, if you have a smart door lock, you typically have to tap a button on your iPhone or Apple Watch to unlock it, or physically tap your device against the lock for NFC implementations.