‘Advanced’ aliens might already be using spooky ‘firefly’ technique to talk to each other in PLAIN sight, say scientists

ADVANCED alien civilisations might be talking to each other across the vast reaches of space using a “firefly” technique.
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Advanced alien civilisations 'already talking to each other' using 'firefly technique'

Scientists have offered new hope in the search for alien life by suggesting they could be communicating across the universe ...