Advances in aerial imaging, drones and a new generation of ultra-sensitive metal detectors are helping speed up mine clearance in Angola
Save time by listening to our audio articles as you multitask“If there’s an object buried in the ground, it will heat up and cool down at a different rate compared with the soil,” says Michael Nevard,’s head of research and development. “So if you take the imagery at the right time of day you can see a kind of heat shadow.”
But advances in aerial imaging now speed things up. Drones fitted with thermal sensors or with a facility for light detection and ranging help pinpoint minefields and mines from the air. This makes it safer and quicker to clear them on the ground. Other advances are less high-tech. A simple potato-harvesting machine is often ideal for removing anti-personnel mines from the ground. “There’s no silver bullet that works everywhere,” says Mr Nevard. “It’s all about matching the tool to the threat and the terrain. But in the right conditions you can double, triple, sometimes quadruple productivity.”
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