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    { "id" : "http://dbpedia.org/resource/Cavity_magnetron"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The cavity magnetron is a high-powered vacuum tube that generates microwaves using the interaction of a stream of electrons with a magnetic field while moving past a series of open metal cavities (cavity resonators). Bunches of electrons passing by the openings to the cavities excite radio wave oscillations in the cavity, much as a guitar's  strings excite sound in its sound box." ] ,
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          "http://dbpedia.org/resource/Megatron" ] ,
        "http://xmlns.com/foaf/0.1/depiction" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Magnetron2.jpg" ] ,
        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Magnetron2.jpg?width=300"] } } }
