From lab to sky: Portuguese graphene that hides jets and drones may transform defence
Portugal may be taking a decisive step in the global race for stealth, with a graphene-based radar-absorbing material that could render drones and warplanes almost undetectable.
Portugal may be taking a decisive step in the global race for stealth, with a graphene-based radar-absorbing material that could render drones and warplanes almost undetectable.
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