German dual-use drone maker becomes unicorn amid defence tech boom

German drone maker Quantum Systems has raised €160mn at a valuation north of €1bn, becoming Europe’s latest defence tech unicorn.   Quantum Systems builds electric, AI-powered autonomous surveillance drones that are dual-use, meaning they can serve both military and civil purposes.   Defence forces can use the unmanned aerial vehicles (UAVs) to spy on enemies and gather intel. The drones can also be used by farmers to inspect their crops, by energy companies