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Virtual couple – there is such a particle-antiparticle pair in vacuum, which has not yet turned into a real particle-antiparticle.
Virtual couple – there is such a particle-antiparticle pair in vacuum, which has not yet turned into a real particle-antiparticle.
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.