{"tema_id":"1207","string":"ENERG\u00cdA ELECTROMAGN\u00c9TICA","created":"2026-05-25 01:03:53","code":null,"notes":[{"@type":"Nota de alcance","@lang":"es","@value":"Energ\u00eda ondulatoria capaz de transmitirse en el vac\u00edo. "}]}