From lab to sky: Portuguese graphene that hides planes and drones could transform defence
Portugal may be taking a key step in the race for stealth technology with a graphene-based radar-absorbing material that could make drones and warplanes almost undetectable.
Portugal may be taking a key step in the race for stealth technology with a graphene-based radar-absorbing material that could make drones and warplanes almost undetectable.
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