Hack-A-Day friend [Limor] AKA [ladyada] has been promising a portable RF jammer for a while. guess what she sent me for Christmas? The Wave-bubble is a self tuning RF jammer – good for around 20 ...

His latest post makes RF sniffing with the Next HOPE badge more portable by ditching the need to display data on a computer. He’s built on the work he did at the beginning of the year ...

A Cornell Tech-led research group is developing a portable, inexpensive device that uses radio frequency signals and machine learning for another important job: measuring lead contamination levels in ...