John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...

Conceptually, radar is pretty simple: send out a radio wave and time how long it takes to get back via an echo. However, in practice, there are a number of trade-offs to consider. For example, ...

The big picture: Open-source hardware projects rarely stray into territory dominated by six-figure, defense-grade systems, but a new radar design is attempting to do exactly that. Developed by ...

If you are looking for a new project to keep you busy for the next few months all weekend you might be interested in building your very own drone tracking radar. If you are interested you’ll be ...