The disc-shaped resonator measures less than 2 centimeters across, yet the innocuous device is eavesdropping on spacetime. It’s a newly built acoustic wave resonator, and in its first 153 days of ...

Denmark's MyDefence is adding its new WideBand Extended Frequency (XF) antenna and detection software to its wearable unmanned aircraft system (UAS) detector Wingman as part of an upgrade based on ...