The sensor uses a technology, developed by Microflown, called acoustic vector sensing. AVS heats two 200-nanometer wide platinum strips to 200 degrees Celsius and measures how passing air ...

A Sensor In Guns Tells Dispatch When Police Officers Need Backup By monitoring the position and status of firearms, commanders can see exactly what’s happening in the field.

The sensor was announced this year, and while no price has been officially set, according to a profile on AngelList, it may cost about $100 for the hardware and $10 per month for the data services ...

The Signal Sidearm specifically works with cameras within TASER's Axon brand, triggering any within a 30-foot radius to start recording once a gun is drawn from a sensor-equipped holster. On one ...