An undercover federal agent was allegedly buying guns from the trio when things turned violent, ending in the agent and one ...

The new Nuki Smart Lock ($159), the company’s first designed for US deadbolts, is the most advanced retrofit smart lock I’ve tested. It features a sleek, compact design that l ...

The Nuki smart lock comes with an array of features and works with your existing deadbolt, so you can still use a key.

In this experiment, rifle barrel grooves are created without a lathe, using a manual technique that relies on a repurposed ...

Turn fire into a secret gateway! 🔥🚪 In this fiery Minecraft Redstone tutorial, you'll learn how to build a Fire Swapper — a hidden mechanism where fire disappears and reveals a doorway or item frame ...