The folks at the Nokia Research Center (NRC), Helsinki, recently unveiled a brand new research concept at Demo House 2010. This mobile radar demonstration lets all and sundry see how a mobile device is transformed into an active radar sensor, making it capable to measure speed and the direction of movement of approaching objects, similar to how a standard radar would. This is made possible through the use of electromagnetic waves that offer a different type of mobile wireless sensing. Some practical applications in the real world would be opening up new avenues of interaction with the device, including gesture controls, alongside paving the way for new radar-based applications.