�y��vlog

This is something it has already done in the case of two materials called germanium and gallium, which are used by the military in thermal imaging and radar.

Travelling in his Ukrainian-made armoured vehicle, Serhiy still lists the likely threats, now we are less than 10km from the Russian border: glide bombs, rockets and artillery, and drones fitted with thermal imaging cameras.

The border police have recorded thermal imaging of buoys in the Narva River that demarcate the border between the two countries being removed by Russian guards under the cover of darkness.

The ministry added that all airports would also need to be equipped with at least one thermal imaging camera.

Currently only four airports in South Korea are equipped with thermal imaging cameras.