Forget spy balloons, the world of surveillance has tried everything from schoolchildren to trained cats
- Written by: Ebony Nilsson, Research Fellow, Australian Catholic University
AR/BNPSThe Chinese “spy balloon” shot down over the United States has brought the seemingly strange methods of surveillance and espionage into news headlines. Balloons have long been used for espionage – and not just for surveillance, as appears to be the case with this one.
In the 1950s, Soviet soldiers in East Germany often saw...