Russian Air Force Academy Cadets develop the "Spy Stone"

 

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Spy Stone: The Military Has Developed A New Way To Spy On The Enemy

The cadets of the Air Force Academy have developed a device, there are no analogues of such a stone in the Armed Forces. They disguised the hidden surveillance complex as an ordinary stone. Due to its disguise, this cobblestone will be indispensable in trench warfare. In a situation where all landmarks are shot by snipers, and the enemy is watching almost every bump, the opportunity to send a robot to monitor the situation, and not a person, will be very useful.