Ever heard of numbers stations? We've talked about them here before. They're those odd shortwave stations where someone simply counts out a series of digits without any explanation. They've been on for years and are generally acknowledged to be sending coded messages to someone far away. Most think the Russians are responsible but no one knows for sure. 

Now along comes a robot whose maker claims can possibly decode those and all mysterious signals that all floating around out there. I'm not sure if it works, but it's certainly a cute little device!

3D printed robot receiver listens and cracks any coded messages broadcast from the world