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      "statement": "# Einstein: energy changes the inertia of a body\n\nConnected an emitted amount of light energy to a corresponding loss of a body's mass, establishing the mass–energy relationship in a separate short paper.\n\n## Scientific scope\n\nThis is the September 1905 radiation argument, distinct from the June electrodynamics paper. It does not credit Einstein with later nuclear experiments or devices. The English edition modernizes notation; the original argument is not a general modern textbook derivation.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nAlbert Einstein\n\nAttribution names the scoped source contributors, not their whole careers or all later applications.\n\n\n\n## Original sources\n\n- [Einstein, Does the Inertia of a Body Depend upon its Energy-Content? (1905), translated primary text](https://fourmilab.ch/etexts/einstein/E_mc2/www/)\n",
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