It looks like an antenna — could it be a walkie talkie? A signal jammer? See what one expert says about the object seen in doorbell-camera footage.

Abstract: Hybrid localization that both angle-of-arrival (AOA) and time-difference-of-arrival (TDOA) measurements are available but the signal propagation speed (SPS) is unknown arise in, e.g., ...

There are many ways to communicate with prospective romantic partners. If you are a Japanese scarab beetle, it's a matter of distinguishing left from right. New work from U.S. and Chinese scientists, ...

Researchers in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and the Faculty of Arts and ...

The search for Nancy Guthrie has taken a high-tech turn. The Arizona police department is now flying over the Tucson, Ariz., desert with a Bluetooth signal detector, also known as a signal sniffer, in ...

Although traffic roundabouts have existed for a long time around the world, they are still relatively novel to many American drivers, having only become common on American roadways over the last 20 ...

Penn Engineers have developed a system that lets robots see around corners using radio waves processed by AI, a capability ...

Indie game developer and publisher Cherrypick Games revealed that their latest game, Signal Station, is set for a Steam release this year. This is a tactile sci-fi thriller in which you are a ...

Germany's Federal Office for the Protection of the Constitution (aka Bundesamt für Verfassungsschutz or BfV) and Federal Office for Information Security (BSI) have issued a joint advisory warning of a ...