Interesting Engineering on MSN

World-first hydrogen drone with ‘negligible thermal signature’ deployed in combat zone

The hybrid version of the Raybird UAV has a "negligible thermal signature", making it ideal for reconnaissance missions.

City Council to vote on program that would see drones respond to Knoxville 911 calls

The use of drones could soon benefit the Police Department if the city council approves the Drones as First Responders ...