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Advanced alien civilizations could be communicating 'like fireflies' in plain sight, researchers suggest

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...
Interesting Engineering on MSN

China conducts anti-drone drills, uses ship-borne missiles to neutralize swarm attack

Chia's drills simulated complex battlefield conditions in which numerous low-flying unmanned attack drones attempted to ...