Through a process called refraction, Wi-Fi signals are able to permeate walls, allowing your internet to travel throughout your home. However, this doesn't mean that you won't experience interference.

In what I hope can act as illustrative and generative examples, here are some moments from my career where I was told no and found a way to break through that artificial wall: 1. Getting Past The ...

The US Federal Bureau of Investigation (FBI) plans to buy radar technology that can detect people on the other side of walls, whether they are moving around, standing still or even lying down.